FIELD TRIP: Strouds Run State Park 6 Oct 2012 Highlights & Clarifications LOCAL FLORA Dr. Donald P....

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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