field trip: strouds run state park 6 oct 2012 highlights & clarifications local flora dr. donald...
TRANSCRIPT
FIELD TRIP:
Strouds Run State Park 6 Oct 2012 Highlights & Clarifications
LOCAL FLORA
Dr. Donald P. Althoff
Bugleweed(Va. water horehound)
Ebonyspleenwort
Indiantobacco
Autumncoralroot
_________________ (USDA)Small flowered coral root (Blair)
Late coralroot (Newton’s)(not listed in Peterson’s)
Corallorhiza odontorhiza
CLASS:Liliopsida(monocot
FAMILY:Orchidaceae(orchid family)
_________ linear-lanceolate, 3-4.5 mm long X 1-1.5 mm wide, madder-purple, typically green at the base.
each flower subtended by a small, linear-lanceolate ________
Autumn coralroot (USDA)Small flowered coral root (Blair)
Late coralroot (Newton’s)
Autumn coralroot (USDA)
Small flowered coral root (Blair)
Late coralroot (Newton’s)
Known to be ______________. Could be insect-pollinated
Flowering: late August-late October (i.e., 10/6/2012!!!)__________ of 3 coralroots in Ohio to flower
Variation on the “purple dotting” of
the _____
USDA: Endangered for FL, MA, ME, NH, NY, RI, VT …_________
Top and Under (note spores) CLASS:
Filicopsida(whisk ferns)
FAMILY:Polypodiaceae(spleenwort family)
Stalk darkbrown, shining,smooth, short, stiff, and erect
_________________Asplenium platyneuron
Under leaf - spores
Top of leaf –never spores
Ebony spleenwortAsplenium platyneuron
Cutleaf grapefernBotrychium dissectum
Cutleaf grapefernBotrychium dissectum
Sporophyll….spore-bearing
leaf
Botrychium dissectum f. _________
Botrychium dissectum f. ____________
_____________ dogwoodCornus drummonii
CLASS:Magnoliopsida(dicot)
FAMILY:Cornaceae(dogwood family)
Roughleaf dogwoodCornus drummonii
Leaves are ___________
& ________ to the
touchIF you rub
a certain way
Roughleaf dogwoodCornus drummonii
_______ (eastern) = burningbush (USDA)Euonymus atropurpureus
Distinctive flower (pink)& seed pods (red)
CLASS:Magnoliopsida(dicot)
FAMILY:Celastraceae(bittersweet family)
“Winged”stem and branching…
wingstem does notbranch
Wahoo (eastern)Euonymus atropurpureus
___________Verbesina alternifolia
______________Lobelia inflata
Most common lobelia
July-August “typical”
blooming period
Small flowers “tucked” into leaf axils…not close together
CLASS:Magnoliopsida(dicot)
FAMILY:Campanulaceae(bellflower family)
Lobelioideae – 1 of 2 ___________ in bellflower family
Lower “lip” formed by ____ petals !!!
Great blue lobeliaIndian tobacco
Indian TobaccoLobelia inflata
Alternate leaves,toothed and ovate (more
for basal leaves
Base of flower becomes swollenseed pod
Indian Tobacco (Lobelia inflata) • Early New England settlers used often• The most potent part of the plant is the seed as it
contains the most ________ — the main ingredient which gives the plant its pyschoactive property. More a relaxant than a “euphoric” high
• Potentially toxic• _______ seed is usually what is “used”, but leaf, too
Beaked _______Small-flowered __________
Note roundnessor lack of for
leaf tips
____________ / Virginia water horehoundLycopus virginicus (USDA)
Strongly toothed butnot lobed leaves…
____ odor
Small flowers inclusters in leaf _____
CLASS:Magnoliopsida(dicot)
FAMILY:Laminaceae(mint family)
__________-stem
___________________Helianthus tuberosus
CLASS:Magnoliopsida(dicot)
FAMILY:Asteraceae(aster family)
sunflower species
Jerusalem artichokeHelianthus tuberosus
Grows 4-6 ft high (or higher)
Very rough leavesand stem
Upper-leaves – ___________Lower leaves—___________
Species Highlights
• Ferns:ChristmasEbony spleenwortCutleaf grapefern
(__________)
• Autumn coralroot• Roughleaf dogwood• Bugleweed (Va. water
horehound)• Indian tobacco• Jerusalem artichoke