Autumn coralroot

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Transcript Autumn coralroot

FIELD TRIP:
Strouds Run State Park 6 Oct 2012
Highlights & Clarifications
Bugleweed
Ebony
(Va. water horehound) spleenwort
Indian
tobacco
LOCAL FLORA
Dr. Donald P. Althoff
Autumn
coralroot
CLASS:
Liliopsida
(monocot
FAMILY:
Orchidaceae
(orchid family)
_________________ (USDA)
Small flowered coral root (Blair)
Late coralroot (Newton’s)
(not listed in Peterson’s)
Corallorhiza odontorhiza
each flower subtended by a small,
linear-lanceolate ________
_________ linear-lanceolate,
3-4.5 mm long X 1-1.5 mm wide,
madder-purple, typically green at
the base.
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
Autumn coralroot (USDA)
Small flowered coral root (Blair)
Late coralroot (Newton’s)
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:
Stalk dark
brown, shining, Polypodiaceae
smooth, short, (spleenwort
stiff, and erect
family)
_________________
Asplenium platyneuron
Top of leaf –
never spores
Under leaf - spores
Ebony spleenwort
Asplenium platyneuron
Cutleaf grapefern
Botrychium dissectum
Sporophyll….
spore-bearing
leaf
Cutleaf grapefern
Botrychium dissectum
Botrychium dissectum f. ____________
Botrychium dissectum f. _________
CLASS:
Magnoliopsida
(dicot)
FAMILY:
Cornaceae
(dogwood
family)
_____________ dogwood
Cornus drummonii
Leaves are
___________
&
________ to the
touch
IF you rub
a certain way
Roughleaf dogwood
Cornus drummonii
Roughleaf dogwood
Cornus drummonii
“Winged”stem and
branching…
wingstem does not
branch
CLASS:
Magnoliopsida
(dicot)
FAMILY:
Celastraceae
(bittersweet
family)
Distinctive flower (pink)
& seed pods (red)
_______ (eastern) = burningbush (USDA)
Euonymus atropurpureus
Wahoo (eastern)
___________
Euonymus atropurpureus
Verbesina alternifolia
Small flowers “tucked” CLASS:
into leaf axils…not
Magnoliopsida
close together
(dicot)
Most common lobelia
July-August
“typical”
blooming period
______________
Lobelia inflata
FAMILY:
Campanulaceae
(bellflower
family)
Lobelioideae – 1 of 2 ___________ in bellflower family
Great blue lobelia
Indian tobacco
Lower “lip” formed by ____ petals !!!
Base of flower
becomes swollen
seed pod
Alternate leaves,
toothed and ovate (more
for basal leaves
Indian Tobacco
Lobelia inflata
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
Note roundness
or lack of for
leaf tips
Beaked _______
Small-flowered
__________
CLASS:
Small flowers in
clusters in leaf _____ Magnoliopsida
(dicot)
FAMILY:
Laminaceae
(mint family)
Strongly toothed but
not lobed leaves…
____ odor
__________-stem
____________ / Virginia water horehound
Lycopus virginicus (USDA)
CLASS:
Magnoliopsida
(dicot)
FAMILY:
Asteraceae
(aster family)
sunflower species
___________________
Helianthus tuberosus
Grows 4-6 ft high
(or higher)
Very rough leaves
and stem
Upper-leaves – ___________
Lower leaves—___________
Jerusalem artichoke
Helianthus tuberosus
Species Highlights
• Ferns:
•
Christmas
•
Ebony spleenwort
•
Cutleaf grapefern
(__________)
•
•
Autumn coralroot
Roughleaf dogwood
Bugleweed (Va. water
horehound)
Indian tobacco
Jerusalem artichoke