euphorbia world – table of content, volumes 1 to 16(2)

EUPHORBIA WORLD – Table of Content, Volumes 1 to 16(2)

EUPHORBIA WORLD 2005, Vol. 1(1)

Alan Butler Message from the Chairman p. 4

Volker Buddensiek Editorial p. 5

Paul Forster The families of the euphorbs p. 6-7

Leonard E. Newton The elusive Euphorbia ballyana p. 8-9

Volker Buddensiek Book review p. 9

Susan Carter Euphorbia in Kenya p. 10-12

Rikus van Veldhuisen Euphorbia susannae Marloth p. 13-16

Stephen Jankalski Hybrids in succulent Euphorbia p. 17-20

Bruce J. Hargreaves Euphorbia pseudotuberosa Pax and/or E. trichadenia Pax in Botswana

p. 21-22

Norbert Göbl & Alan Butler Growing euphorbias p. 22-25

Pjotr Lawant 1. Euphorbia Review (1935-1937) revisited p. 26

Harry Mays Three Euphorbias of the International Succulent Introductions

p. 28-30

Volker Buddensiek Euphorbias from A to Z p. 31


Volker Buddensiek Letter from the editor p. 4

Graham Williamson An interesting new desert Euphorbia from the NW Richtersveld and southern Namib Desert

p. 5-7

Gerhard Marx Euphorbia sp. aff mira p. 8

Rikus van Veldhuisen Euphorbia species nova J&R 260, additional notes p. 9-11

Bruce J. Hargeaves Strange spurges in Botswana? p. 12-13

Frank Vincentz Euphorbia ephedromorpha Bartlett, a forgotten succulent from Guatemala

P 14-15

Rikus van Veldhuisen In Habitat (South Africa) p. 16-17

Liliana Rodriguez Cracraft & Mike Cracraft

Euphorbia antisyphilitica p. 18-19

Paul I. Forster Monadenium kimberleyana (Euphorbiaceae) and a putative locality in South Africa

p. 20

Diny Winthagen & Pjotr Lawant

Mysterious Euphorbia cucumerina p. 21-30


Alan Butler Letter from the Chairman p. 4

Rikus van Veldhuisen Some notes on Euphorbia punicea Swartz an related species p. 5-8

Gerhard Marx Some re-evaluating notes on Euphorbia multiramosa Nel p. 9-13

Pjotr Lawant Book & Journal Review p. 13

Diny Winthagen & Pjotr Lawant

Why the Indian Euphorbia antiquorum was named after the European classical world

p. 14-15

Torsten Dedow In Habitat (South Africa) p. 16-17

Pjotr Lawant & Renée Suntjens

Euphorbia handiensis: Will it exist in the future? p. 18-29

Volker Buddensiek Euphorbias from A to Z p. 30


Volker Buddensiek Letter from the Editor p. 4

Susan Carter Tree euphorbias of tropical Africa p. 5-8

Sean Gildenhuys The three most abundant tree Euphorbia species of the Transvaal (South Africa)

p. 9-14



Wolfgang Ewest Euphorbia tuckeyana Steudel ex Webb 1849 p. 18-20

Pierre Braun Euphorbia estevesii N.F.A.Zimmermann & P.J.Braun, A strange discovery from Goiás, Central Brasil

p. 21-23

Boris Vrskovy Jatropha glandulifera Roxburgh, a little-known semi-succulent shrub from India

p. 24-25

Pjotr Lawant & Diny Winthagen

Euphorbia tribuloides: a species lost for ever? p. 26-29

Volker Buddensiek Euphorbias from A to Z p. 30-31


Pjotr Lawant Letter from the Editor p. 4

Volker Buddensiek A sister to Euphorbia antisyphilitica p. 4

Bruce J. Hargreaves Variations in Euphorbia griseola Pax in Botswana p. 5

Rikus van Veldhuisen Euphorbia subgenus Euphorbia section Triacanthium Jacobsen

p. 6-13

Leonard E. Newton Seeds of Euphorbia lenewtonii p. 14

Harry Mays International Succulent Introductions 2006 p. 15

Walter Minuth In Habitat (Madagascar) p. 16-17

Walter Minuth The littoral forests of south-eastern Madagascar – will they survive?

p. 18-20

Thomas Haevermans Taxonomy of the Euphorobia pyrifolia clade p. 21-24

Graham Williamson Interesting succulent euphorbias from south Central Africa p. 25-29

Norbert Göbl Hibernating euphorbias p. 30-31



Graham Williamson Several interesting Zambian Euphorbias subg. Euphorbia sect. Monadenium (Euphorbiaceae) including a new species

p. 5-11

Meena Singh Succulent Jatrophas in India p. 12-15

Daphne & Albert Pritchard In Habitat (India) p. 16-17

Rikus van Veldhuisen Euphorbia subgenus Euphorbia section Triacanthium Jacobsen (Part 2)

p. 18-24

Pjotr Lawant Molecular phylogenetic analysis of the tribe Euphorbieae: recent changes in systematic classification and plant names

p. 25

Paul I. Forster The early discovery of Euphorbia sarcostemmoides J.H.Willis (Euphorbiaceae), with notes on its conservation staturs and distribution

p. 26-30



Peter V. Bruyns A new subgeneric classification for Euphorbia (Euphorbiaceae) in southern Africa based on its and psbA-trnH sequence data – corrigenda

p. 5

Rikus van Veldhuisen Euphorbia subgenus Euphorbia section Triacanthium Jacobsen (Part 3)

p. 6-12

Paul E. Berry & Ricarda Riina A new collaborative research project: a global invertory of Euphorbia

p. 12-13

Guiseppe Orlando In Habitat (Socotra/Abd-al-Kuri) p. 14-17

Bruce J. Hargreaves A neotenic Euphorbia cooperi? p. 18-19

Pjotr Lawant Molecular phylogenetic analysis of the tribe Euphorbieae: Part 2: Three important contributions

p. 20-31


Tim Marshall International Euphorbia Society Seed Bank p. 4

Wolfgang Ewest Geophytic euphorbias from Chile p. 5-7

Graham Williamson Notes of Euphorbia multiramosa Nel (Euphorbiaceae) and related species

p. 8-18

Pjotr Lawant & Diny Winthagen

Euphorbia loricata Lam.: the first South African succulent Euphorbia drawn in situ

p. 19-25

Paul I. Forster Seed dispersal in the Euphorbieae (Euphorbiaceae) p. 26-30

Walter Minuth Who will win the spitting contest? p. 31


Pjotr Lawant IES and the PBI project p. 4

Maik Veste Parasitic flowering plants on Euphorbia in South Africa and Namibia

p. 5-9

Rolf W. Becker, Alma Moller, Sonnette Krynauw & Derek Engelbrecht

Notes on Euphorbia restricta Dyer from its type locality p. 10-12


Gerhard F. Wagner In Habitat (South Africa) p. 14-17

Rikus van Veldhuisen Euphorbia Section Triacanthium Jacobsen (Part 4) p. 18-23

Volker Buddensiek Results of the questionaire seeking members' opinions p. 23

Pjotr Lawant Molecular phylogenetic analysis of the tribe Euphorbieae: Macaronesian dendroid euphorbias and South African subsection Meleuphorbia both revisited

p. 24-29



Volker Buddensiek Message from the editor p. 4

Bruce J. Hargreaves Variation in Euphorbia duseimata R.A.Dyer in Botswana p. 5

Pjotr Lawant & Volker Euphorbia berevoensis Lawant & Buddens. - a new p. 6-11

Buddensiek Madagascan species within the informal „Euphoriba pedilanthoides group“

Jonas Lüthy Under review: The listing of „succulent Euphorbia spp.“ in Appendix II of CITES

p. 12-13

Detlef Schnabel In Habitat (South Africa) p. 14-17

Leonard E. Newton The distribution of Euphorbia sebsebei p. 18-19

Rikus van Veldhuisen Euphorbia horwoodii S.Carter & Lavranos p. 20-26



Alan Butler Chariman's Column p. 4

Susan Carter Euphorbia in Tanzania p. 5-9

Daphne & Albert Pritchard Phyllanthus Linnaeus Sp. Pl. (ed. 1): 971, (1753) Nomenclatural type: Phyllanthus niuri L.

p. 10-11

Volker Buddensiek Simply a Euphorbia leuconeura? p. 12-15

Petr Pavelka In Habitat (Madagascar) p. 16-19

Rikus van Veldhuisen Euphorbia multiceps A.Berger p. 20-26

Bruce J. Hargreaves Euphorbia bergii White, Dyer & Sloane in Botswana p. 27-29

Walter Minuth Euphorbias from A to Z p. 30-31


Alan Butler Chairman's column p. 4

Wolfgang Ewest Wanted!!! Euphorbia prona S.Carter p. 5-7

Graham Williamson A new species of Euphorbia subgenus Euphorbia section Monadenium (Pax) P.V.Bruyns (Euphorbiaceae) from the Zambian/Tanzanian borders at the lower southern end of Lake Tanganyika

p. 8-12

Alber Pritchard The proposed changes to the classification of Euphorbia p. 13

Gilfrid Powys Euphorbia scheffleri with a difference p. 14-15

Daphne & Albert Pritchard In Habitat (South Africa) p. 16-19

Daphne & Albert Pritchard Some unusual Euphorbia obesa ssp. symmetrica plants p. 20-23

Pjotr Lawant Journal Review p. 24

Volker Buddensiek How to fight mealy bugs p. 25

Ricarda Riina, Paul E. Berry & Jeffery J. Morawetz

News from the PBI project p. 26-27

Pjotr Lawant Book review p. 28-29



Alan Butler Chairman's Column p. 4

Thomas Brand Powdery mildew of succulent Euphorbia species p. 5-9

Christian Kunath In cultivation: Euphorbia nana Royle p. 10-11

Dick Hoey Smith How did I become a Euphorbia fan? p. 12-13

Keith Bensusan & Brian Lamb An epiphytic Euphorbia echinus Hook.F. & Coss. in the Anti Atlas of Morocco

p. 14-15


Walter Minuth Variation in Euphorbia francoisii Leandri p. 20-23

Peter Krogstrup & Jens I. Find Tissue culture propagation of Euphorbia mosaica P.R.O.Bally & S.Carter, a rare Euphorbia from Somalia

p. 24-28




Rene Samek Euphorbia larica in the United Arab Emirates p. 5-7

Rolf W. Becker, Alma Moller & Rikus van Veldhuisen

About sticks and pencils (part 1): Euphorbia ephedroides E.Mey. ex Boiss.

p. 8-9

Albert & Daphne Pritchard Euphorbia albertensis? p. 10-12

Volker Buddensiek Greetings from the past: Euphorbia pendula p. 13

Detlef Schnabel In Habitat (South Africa) p. 14-17

Rikus van Veldhuisen About the identity and relationships of Euphorbia gorgonis Berger

p. 18-29




Alan Butler Albert Pritchard – a tribute p. 5

Rikus van Veldhuisen About the identity and relationships of Euphorbia gorgonis Berger – Part 2

p. 6-13

Alma Moller & Rolf Becker In Habitat (Southern Africa) p. 14, 19-21

Index of Euphorbia World Volumes 1 to 5 p. 15-18

Bruce Hargreaves Rocks and the Euphorbia schinzii complex p. 22-24


Jeffery J. Morawetz, Barbara Wagner, Ricarda Riina & Paul E. Berry

Euphorbia Seed Atlas – Part 1 p. 26-29




Joachim Thiede Euphorbia ohiva Swanepoel: a novelty from the Kaokoveld Centre of Endemism (Namibia & Angola)

p. 5-7


About sticks and pencils (part 2): Euphorbia burmanni E.Mey. ex Boiss.

p. 8-9

Thomas Brand Grey mold by Botrytis cinerea p. 10-13

Jeffery J. Morawetz In Oman p. 14-17

Soumen Aditya A revision of geophytic Euphorbia species from India p. 18-24

Jefferey J. Morawetz, Barbara Wagner, Ricarda Riina & Paul E. Berry

Euphorbia Seed Atlas – Part 2 p. 25

Antonius Joannes Hubertus Rulkens & Boet José Baptista

Two tuberous Jatropha species from Mozembique p. 26-31


Alan Butler Estivating p. 4

Rolf Becker & Alma Moller The Larry Leach Collection at the University of Limpopo p. 5-7

Rikus van Veldhuisen Euphorbia albipollinifera L.C.Leach p. 8-13

Ricarda Riina & Manuel Portilheiro

In Morocco p. 14-17

Graham Williamson Observations on Euphorbia transvaalensis Schltr. from Namibia

p. 18-24

Pjotr Lawant Book review p. 25

Rolf Becker, Alma Moller & Rikus van Veldhuisen

About sticks and pencils (Part 3): Euphorbia caterviflora N.E.Br.

p. 26-27

Barbara Wagner, Jeffery J. Morawetz, Ricarda Riina, PaulE. Berry, Rolf Becker & Alma Mollerr

Euphorbia Seed Atlas – Part 3 p. 28-29

Walter Minuth Euphorbias from A to Z p. 30-31


Alan Butler A time to read journals p. 4

Graham Williamson Notes on miniature and dwarf Euphorbia species from the Sperrgebiet in Namibia

p. 5-13

Jeffery J. Morawetz In Tanzania p. 14-17

Rolf Becker & Alma Moller Euphorbia leistneri R.H.Archer from the Kaokoveld in northern Namibia

p. 18-20

Jeffery J. Morawetz, Ricarda Riina, Paul E. Berry & Mark H. Mayfield


Bruce J. Hargreaves A Tanzanian Euphorbia from South Africa? p. 22-25

Volker Buddensiek A case of hunger, thirst and death p. 26


Volker Buddensiek & Walter Minuth

Euphorbias from A to Z p. 28-30

Suomen Aditya, Elizabeth Ciccone

Members' plants p. 31


Rikus van Veldhuisen Interim chairman p. 4

Graham Williamson Notes on miniature and dwarf Euphorbia species from the Sperrgebiet in Namibia (Part 2)

p. 5-10

Barbara Wagner, Jeffery J. Morawetz, Ricarda Riina, PaulE. Berry, Rolf W. Becker & Alma Moller


Walter Minuth Euphorbia subapoda Baill. - what is it? p. 12-15

Leo van der Hoeven In Madagascar p. 16-19

Detlef H. Schnabel The mysterious 'Snowflake“ Euphorbia – a new variety of Euphorbia polygona Haw.

p. 20-26

Walter Minuth, Rikus van Veldhuisen & Volker Buddensiek

Euphorbias from A – Z p. 27-31


Rikus van Veldhuisen Members' Meeting p. 4

Graham Williamson Euphorbia caput-medusae L. - a journey from the foggy Cape of Storms to the arid wind-blasted sands of the Namib Desert (part 1)

p. 5-11


About sticks and pencils (part 4): Euphorbia spinea N.E.Br. p. 12-13

Ricarda Riina In Venezuela p. 14-17

Bruce J. Hargreaves A Euphorbia from the South African Noorsveld p. 18-20

Barbara Wagner, Jeffery J. Morawetz, Ricarda Riina, PaulE. Berry, Alma Moller & Rolf W. Becker


Pjotry Lawant & Renée Suntjens

Euphorbias of La Gomera, Canary Islands, revisited (Part 1) p. 22-28

Volker Buddensiek Euphorbias from A – Z p. 29-31


Pjotr Lawant Report of the Annual General Meeting 2011 of the International Euphorbia Society

p. 4

Graham Williamson Euphorbia caput-medusae L. - a journey from the foggy Cape of Storms to the arid wind-blasted sands of the Namib Desert (part 2)

p. 5-14

Barbara Wagner, Jeffery J. Morawetz, Ricarda Riina, PaulE. Berry, Alma Moller & Rolf W. Becker


Jeffery J. Morawetz In Tanzania p. 16-19


Euphorbias of La Gomera, Canary Islands, revisitedd (part 2)

p. 20-27

Pjotr Lawant Journal & Book review p. 28-29

Pjotr Lawant & Volker Buddensiek

Euphorbias from A – Z p. 30-31


Rikus van Veldhuisen Chairman's column p. 4

Susan Carter Non-spiny succulent euphorbias of eastern tropical Africa p. 5-10

D Russel Wagner The „Doctrine of Signatures“, Euphorbia clavarioides in Johannesburg's Muti Market

p. 10-11

Rikus van Veldhuisen Euphorbia schoenlandii Pax p. 12-15

Jeffery J. Morawetz In Oman p. 16-19

Detlef H. Schnabel A new variety of Euphorbia polygona Haw. from South Africa – Euphorbia polygona var. exilis D.H.Schnabel

p. 20-24

Hans Fohning Digital stereo macro photography + photo stacking: a modern tool for botanic studies

p. 25-27

Pjotr Lawant News from the IBC p. 27



Rikus van Veldhuisen Beauty is in the eye of the beholder p. 4

Volker Buddensiek Digital stereo photography + photo stacking: continued p. 5

Rene Samek An adventure with Euphorbia neriifolia p. 6-9

Soumen Aditya Dendroid Euphorbia species from India (Part 1) p. 10-13

Leo van der Hoeven In South Africa p. 14-17

Joachim Thiede The genus Striga (Orobanchaceae) – a root parasite on succulent euphorbias

p. 18-23

Massimo Afferni Euphorbia dendroides L: a semi-succulent shrub p. 24-26

Bruce J. Hargreaves Roots of tree euphorbias p. 27




Rikus van Veldhuisen Chairman's Column p. 4


About sticks and pencils (part 5): Euphorbia indecora N.E.Br.

p. 5-7

Rikus van Veldhuisen Some additional notes on Euphorbia schoenlandii Pax p. 8-9

Detlef H. Schnabel Euphorbia polygona var. hebdomadalis, a new variety from South Africa

p. 10-15

Giuseppa Orlando In Yemen p. 16-19

Rikus van Veldhuisen Following the trail of the spectacular Euphorbia filiflora Marloth

p. 20-26

Leonard E. Newton Going, going, nearly gone – a highly endangered tree species in Kenya

p. 27-30

Alain Buffel Euphorbia photo stacking p. 31




The Jardín Botánico Canario „Viera Y Clavijo“ on the islandof Gran Canaria

p. 5-9

Alain Rzepecky Euphorbia quaitensis S.Carter – A new record for the flora of Dhofar, Sultanate of Oman

p. 10-12

From the Leach Archive: Notes on Euphorbia platyrrhiza p. 13

Massimo Afferni A monstrous bloom of Euphorbia milii Des. Moul. (Euphorbiaceae)

p. 14-15

Giuseppe Orlando In Yemen (Part 2) p. 16-19

Thomas Brand Western flower thrips on succulent euphorbias p. 20-23

Rikus van Veldhuisen Euphorbia versicolores: to be, or not to be? p. 24-28



Volker Buddensiek Editor's column p. 4

Detlef H. Schnabel A morphology based taxonomic revision of the Euphorbia polygona species complex

p. 5-26

J. Molero & A. M. Rovira The hybrids of semisucculent and succulent dendroid Euphorbia species from La Gomera

p. 27-31



Rikus van Veldhuisen Growing euphorbias successfully p. 5-6

Susan Carter Re-classification of a variety and a forma of two Monadenium species

p. 7

Wolfgang Ewest Euphorbia orbiculifolia S.Carter and Euphorbia quaitensis S.Carter – two unlike siblings

p. 8-11

Pjotr Lawant Journjal review p. 12

Massimo Afferni & Roberto Mangani

A return to the past: Finding the habitat of Euphorbia atropurpurea var. modesta Svent.

p. 13-15

Giuseppe Orlando In Yemen – Part 3 p. 16-19

Detlef H. Schnabel Euphorbia meloformis and Euphorbia obesa – the most sought-after euphorbias

p. 20-29

From the Leach Archive: Notes on Euphorbia contorta p. 30-31



Pjotr Lawant & Rikus van Veldhuisen

Euphorbia leachii Lawant & van Veldhuisen sp. nov., a new species from South Africa

p. 5-8

Rikus van Veldhuisen & Pjotr Lawant

Euphorbia tridentata (Lam.) var. ornithopus (Jacq.) van Veldhuisen & Lawant, comb. & stat. nov., an inevitable reduction

p. 9-11

Pjotr Lawant & Rikus van Veldhuisen

Some dubious interpretations of Euphorbia patula Mill. p. 12-15

Al Laius In South Africa p. 16-19

Gerhard Marx Euphorbia audissoui Marx sp. nov. - a new succulent Euphorbia species from the Western Cape Province, South Africa

p. 20-25

Rikus van Veldhuisen Growing euphorbias successfully – Multiplication: Getting more of them

p. 26-27

Philippe Fenin Malagasy journey (Part 1) p. 28-31



Rolf W. Becker & Alma Moller

The Graves at Uis: Euphorbia damarana – a plant for life or death

p. 5-7


About sticks and pencils (part 6): Euphorbia exilis L.C.Leach

p. 8-10

Rikus van Veldhuisen Growing euphorbias successfully – key success-factor: watering

p. 11-13

Rikus van Veldhuisen In habitat: In Ethiopia p. 14-17

Susan Carter Typification of Euphorbia xylophylloides and Euphorbia polygona

p. 18-20

Detlef H. Schnabel Thwo new varieties in the Euphorbia polygona species complex: Euphorbia polygona var alba and Euphorbia polygona var. ambigua

p. 21-29

Philippe Fenin Malagasy journey (Part 2) p. 30-31


International Euphorbia Convention p. 4-5

Christophe Quénel A Euphorbia disappeared for a century! Euphorbia biaculeata

p. 6-11

Detlef H. Schnabel Amendment of Euphorbia polygona var. horrida typification p. 12-13

Al Laius In Habitat: in Kenya p. 14-17

Jiri R. Haager & Hana Sedivá Ekuphorbia dilloniana Haager & Sedivá – a new succulent spurge species from Chile

p. 18-21

Rikus van Veldhuisen Growing euphorbias successfully – getting more of them: sowing

p. 22-25

Philippe Fenin Malagasy journey (part 3) p. 26-29

Pjotr Lawant Journal review p. 30

Volker Buddensiek Euphorbias from A – Z p. 31



Rikus van Veldhuisen Euphorbia globosa (Haw.) Sims and related species p. 5-10

Rikus van Veldhuisen Growing euphorbias successfully – intensive care p. 11-13

Al Laius In Habitat: In Zimbabwe p. 14-17

Wolfgang Ewest Geophytic Euphorbia from Chile (part 1) p. 18-29

Volker Buddensiek & Detlef H. Schnabel

An „ordinary“ Euphorbia p. 30-31



Gerhard Marx & Rikus van Veldhuisen

Euphorbia brevirama N.E.Br. explained, reviewed and supplemented with two varieties

p. 5-13

Rikus van Veldhuisen In Habitat: In Ethiopia p. 14-17

Wolfgang Ewest Geophytic Euphorbia from Chile (part 2) p. 18-31


Volker Buddensiek Letter from the editor p. 4

Ricarda Riina, Otávio Marques & Fernanda Hurbath

Euphorbia from Brazil: the succulent section Brasilienses p. 5


Volker Buddensiek & Alfred Razafindratsira

A new and remarkable Euphorbia species from the Red Tsingys of northern Madagascar

p. 13

Bob Potter In habitat: in Madagascar p. 16

Gerhard Marx Accumulation of errors regarding Euphorbia crassipes Marloth

p. 20

Massimo Afferni Rare Euphorbia shrubs and trees of the Canary Islands p. 27


Rikus van Veldhuisen Letter from the Chairman p. 4

Christophe Quénel In search of Euphorbia caput-aurem Denis, untraceable sind 1910!

p. 5

Susan Carter Euphorbia in Somalia p. 10

Rikus van Veldhuisen An observation on Euphorbia borenensis M.G.Gilbert p. 15

Detlef H. Schnabel A new locality of Euphorbia polygona Haw. var. horrida (Boiss.) D.H.Schnabel on the Aasvoelberg near Willowmore(Eastern Cape, South Africa)

p. 23

Otávio Marques, Ines Cordeiro & Ricarda Riina

Lovers of sandy habitats and rocky outcrops: Euphorbia section Crossadenia

p. 31


Volker Buddensiek Letter from the Editor p. 4

Rikus van Veldhuisen An observation on Euphorbia nigrispinoides M.G.Gilbert p. 5

Massimo Afferni Two crested euphorbias in habitat on the Canary Islands p. 24

Leonard Bert Gardening with euphorbias in the South African Bushveld p. 26

Pjotr Lawant Newly encountered plants, new descriptions, recent additions. A summary

p. 29


Obituary Daphne Pritchard p. 4

Susan Carter Euphorbia in Zimbabwe p. 5

Detlef H. Schnabel Best hardy euphorbias for northern gardens (part 1) p. 14

Rikus van Veldhuisen Flowers like an orchid p. 20

Pjotr Lawant Euphorbia: Newly encountered plants, new descriptions, recent additions (part 2)

p. 24

Massimo Afferni Euphorbia spinosa L. … isn't spiny at all p. 26




Petr Pavelka Euphorbia in Kenya p. 5

Sébastien Houyell & Christophe Quenel

Euphorbia boinensis Denis ex Humbert & Leandri – a species considered possibly extinct for quite some time

p. 13

Rikus van Veldhuisen & Pjotr Lawant

Euphorbia subgenus Euphorbia section Rubellae: 4 interesting geophytes from tropical East Africa

p. 19

Detlef H. Schnabel Best hardy euphorbias for norhern gardens (part 2) p. 26



Norbert Rebmann A new species of Euphorbia from Madagascar: Euphorbia ebeloensis Rebmann sp. nova

p. 5

Detlef H. Schnabel „Euphorbias were my first love“ - 30th anniverary of the death of Robert Allen Dyer (1900-1987)

p. 9

Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 1: An introduction to Kenya

p. 16

Pjotr Lawant Euphorbia: Newly encountered plants, new descriptions, p. 24

recent additions (part 3)

I.E.S. Issues the Jatropha book of Daphne and Albert Pritchard

p. 28


An „ordinary“ Euphorbia (continued) p. 29



Detlef H. Schnabel, Rikus van Veldhuisen & J. Gerhard Marx

Some amendments in the classification of Euphorbia jansenvillensis Nel

p. 5

Volker Buddensiek The „old veteran“ challenge p. 12

Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 2: Tanzania

p. 13



p. 22

Alain Buffel An alien insect feeding on sea spurge Euphorbia paralias L. at the Belgian coast

p. 23



Sébastien Houyell On Euphorbia denisiana Guillaumin and related species of the Euphorbia ankarensis group

p. 6

Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 3: Kenya

p. 14

Sarojinidevi Naidu & Raja Kullayiswamy Kusom

Euphorbia belagaviensis sp. nov. (Euphorbiaceae), from Karnataka state, India

p. 24

Rikus van Veldhuisen Some additional notes on the cultivation of euphorbias p. 30

Evelyn Durst Fascinating and colourful Euphorbia p. 33



Detlef H. Schnabel, Rikus van Veldhuisen & J. Gerhard Marx

Taxonomy of the Euphorbia pseudoglobosa aggregate, incuding the description of two new varieties

p. 5

Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 4: Turkana, northwest Kenya

p. 22

Rikus van Veldhuisen I.E.S. Members meeting in The Netherlands p. 31


An „ordinary“ Euphorbia (continued) p. 34



Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 5: Somalia

p. 5


p. 15

Volker Buddensiek A monograph of Euphorbia polygona p. 17

Pjtor Lawant Journal Review p. 19

Alain Buffel Euphorbias on the Jandia peninsula of Fuerteventura: Euphorbia handiensis and Euphorbia canariensis revisited

p. 20

Rikus van Veldhuisen From the Leach Archive: Some notes on Euphorbia opuntioides Welw. ex Hiern

p. 35



Pjotr Lawant Letter from the Assistant Editor 4

Gerhard Marx & Rikus van Veldhuisen

Euphorbia addoensis Marx & van Veldh. sp. nov. - changingthe long overdue unnamed status of a small medusoid Euphorbia from the Eastern Cape Province, South Africa

5


About sticks and pencils (part 7): On the true identity of Euphorbia spartaria N.E.Br.

12

Thomas Cammaerts Euphorbias in conservation – when work meets passion 18

Rikus van Veldhuisen Euphorbia antso 22

Leonard E. Newton A new distribution record for Monadenium shebeliense 26

Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 6: Southeast Somalia

28

Volker Buddensiek Do not touch! 41

Amir H. Pahlevani & Ulrich Mewe

Phytogeographical, karyological and nomenclatural notes onEuphorbia larica Boiss. (Euphorbiaceae)

43

Wolfgang Ewest Letter from a member: Self-sterility in Euphorbia? 50


Thomas Cammaerts Letter from the Publicity Officer 4

Bruce De Joung & Robert W. Sterwart

A new variety and a revised description of Euphorbia vajravelui Binojk. & N.P.Balakr. (Euphorbiaceae)

5

Pjotr Lawant Letter from a member: Strong and sudden growth 19

Detlef H. Schnabel Towards conserving a threatened melon-shaped Euphorbia, South Africa

20

Susan Carter Plant hunting adventures in eastern Tropical Africa Part 7: Northeast Somalia

31

Al Laius Madagascan euphorbias (part 1) 46

Rikus van Veldhuisen From the Leach Archive: Euphorbia lividiflora 54


Volker Buddensiek Letter from the Editor 4

Rikus van Veldhuisen Strong and sudden growth – additional thoughts 5


Rene Samek Strong and sudden growth – an answer 17

C. S. Purohit, R. N. Kulloli & A. Bharti

Euphorbia jodhpurensis Blatt. & Halb., an endemic plant from the Indian desert and its range extension from Tedgarh-Raoli wildlife sanctuary, Rajasthan

18

Susan Carter Plant hunting adventures in eastern Tropical Africa Part 8: Red Sea Hills, Sudan

23

Rikus van Veldhuisen From the Leach Archives: Notes on Euphorbia ramulosa 36

Rolf W. Becker & Alma Möller

Rediscovery at the type locality and reinstatement of Euphorbia baliola N.E.Br., a Namibian endemic

38

Detlef H. Schnabel Best hardy euphorbias for northern gardens (part 5) 46

Pjotr Lawant Newly encountered plants, new descriptions, recent additions (part 6)

53


Rikus van Veldhuisen Announcing the Daphne Pritchard Award 4

Susan Carter Plant hunting adventures in eastern Tropical Africa Part 9: Zimbabwe

5

Wolfgang Ewest Letter from a member: Euphorbia francoisii – from a cuttingto a full-grown plant

16

Rikus van Veldhuisen Revision of the informal Euphorbia caput-medusae group 17


Wolfgang Ewest Euphorbia pervilleana Baill. - A Euphorbia with spectacular fruits

46

Pjotr Lawant Journal Review 50


Bob Potter Letter from the Treasurer 4

Susan Carter Plant hunting adventures in eastern Tropical Africa Part 10: Tanzania revisited

5

Pjotr Lawant Letter from a member: Euphorbia in a bottle 20

Petr Pavelka A selection of Monadenium species from Tanzania 21

Leonard E. Newton Notes on Euphorbia taruensis 35

Al Laius Euphorbia lactiflua in Chile 38

Ricarda Riina Three sweet tabaibas instead of one: splitting former Euphorbia balsamifera s.l. and resurrecting the forgottend Euphorbia sepium

41

Jean-Philippe Castillon Rediscovery, rehabilitation and typification of Euphorbia leandriana Boiteau

46


Rikus van Veldhuisen Letter from the Chairman 4

Jean-Philippe Castillon & Jean-Bernard Castillon

On Euphorbia milii (Euphorbiaceae) and its varieties 5

Detlef H. Schnabel Euphorbia esculenta Marloth – the edible spurge 21

Volker Buddensiek A new synonym in the genus Euphorbia L. 32

Susan Carter Plant hunting adventures in eastern tropical Africa, Part 11: Kenya, Tanzania and Zimbabwe revisited

33

Jaime Ernesto Rivera-Hernández, Abel Felipe Vargas-Rueda, Graciela Alcántara-Salinas, Miguel de Jesús Cházaro-Basáñez & Juan A. Pérez-Sato

The great Euphorbia radians Benth. 47

Rikus van Veldhuisen From the Leach Archive: Euphorbia coerulans Pax 53

Tomáš Mazuch, Giuseppe Orlando, Ahmed Ibrahim Awale, Hassan Sh Abdirahman Elmi & VitezslavVlk

A new species of Euphorbia subgen. Euphorbia sect. Euphorbia (Euphorbiaceae) from the Horn of Africa, with a list of succulent spiny Euphorbia from Somaliland

56

Pjotr Lawant Newly encountered plants, new descriptions, recent additions (part 7)

68


Rikus van Veldhuisen Presenting the „Daphne Pritchard Memorial Award“ 4

Norbert Kilian & Mohamed Al-Fatimi

The identity of a succulent Euphorbia shrub in southern Yemen with spirally twisted branches

5

Al Laius A few Euphorbiaceae in Socotra 13

Wessel Swanepoel Euphorbia otjingandu Swanepoel, the shortstem candelabra tree of the Kaokoveld, northwestern Namibia

18

Rikus van Veldhuisen Euphorbia beharensis Leandri, from a collector's point of view

30

Gillian Evison A life with euphorbias 36

Spinax Name that plant! 42

Rikus van Veldhuisen From the Leach Archive: Euphorbia ambroseae L.C.Leach 43

Roland Seidelt Some remarks on Euphorbia poissonii Pax 46

Pjotr Lawant Journal Review 53

Pjotr Lawant Euphorbia: Newly encountred plants, new descriptions, recent additions (part 8)

54


Volker Buddensiek Letter from the Editor 4

Volker Buddensiek Obituary Pjotr Lawant 5

Thomas Haevermans & Wilbert Hetterscheid

Taxonomic decisions and novelties in the informal Euphorbia decaryi group from Madagascar

6

Detlef H. Schnabel What is wrong with my Euphorbia? 20

Rikus van Veldhuisen Growing euphorbias successfully – in boxes! 21

Marijke Bouwmeester A life amongst euphorbias 24

Jean-Philippe Castillon Corrections of errors concerning Euphorbia leandriana Boiteau (Euphorbiaceae) and related species

28

Leonard E. Newton Life forms combined 37

Rikus van Veldhuisen Some euphorbias from Tanzania 40

Volker Buddensiek It's taxonomy, stupid! 46

Editor's note: You can purchase single back issues as well as entire volumes of Euphorbia World, Vol. 1 (2005) to Vol. 14 (2018), on the website of the International Euphorbia Society www.euphorbia-international.org without joining the society.In order to receive the latest issues of 2019 to the current issue, however, you have to become a member of the I.E.S. at www.euphorbia-international.org/ies/about_ies_become_member.htm It's the annual membership fee that allows us to print and distribute 3 issues of Euphorbia World per year. Good growing

Volker Buddensiek

euphorbia world – table of content, volumes 1 to 16(2)

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