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Species / Taxon Name
Observer
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Photos / Sounds

What

Trailing Fuzzy-Bean Strophostyles helvola

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
vine, compound, alternate, entire, stipules present

flowers in congested raceme (almost head-like); petals free, bilateral; ovary superior; fruit legume

motif: dicot, "CoAl," & legume (Fabaceae)

Photos / Sounds

What

Bigpod Sesbania Sesbania herbacea

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, compound, alternate, entire, stipules present

flowers in raceme; petals free, bilateral; ovary superior; fruit (immature) legume

motif: dicot, "CoAl," & legume (Fabaceae)

Photos / Sounds

What

Smartweed Persicaria lapathifolia

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, stipules fused into sheath (ocrea)

flowers in fascicles in raceme-like cluster; tepals free, radial; ovary superior

motif: dicot & Polygonaceae

Photos / Sounds

What

White Morning-Glory Ipomoea lacunosa

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
vine, simple, alternate, entire, no stipules

note the milky sap; corolla sympetalous, radial, plicate

motif: "milky" & morning glory (Convolvulaceae

Photos / Sounds

What

Honey Locust Gleditsia triacanthos

Observer

jrichardabbott

Date

August 29, 2020

Description

tree

Photos / Sounds

What

False Daisy Eclipta prostrata

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, opposite, toothed, no stipules

flowers (bilateral rays & radial disks) in involucrate head; ovary inferior, fruit achene

motif: dicot & Asteraceae

Photos / Sounds

What

Shama Millet Echinochloa colona

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced (florets), in spikelets aggregated in racemes in panicle-like cluster

motif: monocot, "graminoid," & grass (Poaceae)

Photos / Sounds

What

Illinois Bundleflower Desmanthus illinoensis

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
suffrutescent herb, compound, alternate, entire, stipules present

synoecious, corolla radial, stamens showy, flowers in head

motif: "CoAl" (compound, alternate) & legume (Fabaceae)

Photos / Sounds

What

Lindheimer's Doveweed Croton lindheimeri

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, stipules present (sometimes highly reduced?)

monoecious, flowers radial, ovary superior; note the stellate hairs

motif: dicot & spuge (Euphorbiaceae)

Photos / Sounds

What

Tropic Croton Croton glandulosus

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, toothed, stipules seemingly present or absent

monoecious, flowers radial, ovary superior; note the petiolar glands & the stellate hairs

motif: dicot & spurge (Euphorbiaceae)

Photos / Sounds

What

Rough-fruit Amaranth Amaranthus tuberculatus

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

dioecious (male), tepals, radial

motif: dicot; otherwise not a sub-motif we are learning

this is the form/variant that has been called A. rudis

Photos / Sounds

What

Silky Dogwood Cornus amomum

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)

shrub, simple, opposite, entire, no stipules

ovary inferior, fruit a drupe

motif: "MADCap" (woody, opposite) & arcuate veins = dogwood (Cornus)

Photos / Sounds

What

Witch Grass Panicum capillare

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced in spikelets

motif: monocot, "graminoid," grass (Poaceae)

Photos / Sounds

What

Vahl's Fimbry Fimbristylis vahlii

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced in spikelets

motif: monocot, "graminoid," sedge (Cyperaceae)

Photos / Sounds

What

Teal Lovegrass Eragrostis hypnoides

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced in spikelets

motif: monocot, "graminoid," grass (Poaceae)

Photos / Sounds

What

Fragrant Flatsedge Cyperus odoratus

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced in spikelets

motif: monocot, "graminoid," sedge (Cyperaceae)

Photos / Sounds

What

Yellow Nutsedge Cyperus esculentus

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced in spikelets

motif: monocot, "graminoid," sedge (Cyperaceae)

Photos / Sounds

What

Balloon Vine Cardiospermum halicacabum

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
vine, compound, alternate, toothed, no stipules

flowers with dimorphic perianth, radial, ovary superior

motif?: "TaN" (tendrils at node); the axillary tendril is comparable to the passionflowers (Passifloraceae), but no stipules here, & the bipinnate leaves and flowers/fruits are different

Photos / Sounds

What

False Nettle Boehmeria cylindrica

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, simple, opposite, toothed, with stipules

monoecious; flowers very tiny (details hard to see), radial tepals, ovary superior

motif?: not part of any motif we are learning, although comparable to the spurges (Euphorbiaceae) for being monoecious

Photos / Sounds

What

Tickseed Beggar-Ticks Bidens aristosa

Observer

jrichardabbott

Date

August 29, 2020

Description

ID basics (for class)
herb, compound, opposite, toothed, no stipules

flowers bilateral rays & radial disks, inferior ovary; in involucrate head

motif: Asteraceae

Photos / Sounds

What

Eastern Poison Ivy Toxicodendron radicans

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
woody, compound, alternate, lobed/toothed, no stipules

motif: "CoAl" & Sapindales

Photos / Sounds

What

Red Mulberry Morus rubra

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
woody, simple, alternate, toothed, stipules present (deciduous, but note the scars); with milky sap

motif: "milky" & mulberry (trees with stipules & teeth)

note: the last 2 photos contrast this with Morus alba

Photos / Sounds

What

White Mulberry Morus alba

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
woody, simple, alternate, toothed, stipules present (deciduous, but note the scars); with milky sap

motif: "milky" & mulberry (trees with stipules & teeth)

note: the last 2 photos contrast this with Morus rubra

Photos / Sounds

What

Osage-Orange Maclura pomifera

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
woody, simple, alternate (but also note the fascicles on short shoots), entire, stipules present (fell off, but note the scars); with milky sap

fruit compound (multiple of achenes), accessory (with fleshy non-ovarian tissue)

motif: "milky" & mulberry (trees with stipules, usually with teeth in the se US, just not this species)

Photos / Sounds

What

Looseflower Water-Willow Justicia ovata

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
herb, simple, opposite, entire, no stipules

fruits capsules (fell off)

motif: a mint relative (Lamiales); flowers sympetalous & bilateral with opposite leaves, but stems not usually square here

motif: Asteraceae (involucrate head)

Photos / Sounds

What

Honey Locust Gleditsia triacanthos

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
tree, compound, alternate (some fascicles on short shoots), toothed (unusual for legumes that aren't clover relatives), stipules present (deciduous, leaving only a tiny scar in this genus)

fruit a legume

motif: "CoAl" & legume family (Fabaceae)

Photos / Sounds

What

Green Poinsettia Euphorbia dentata

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
herb, simple, opposite (maybe sometimes alternate distally), toothed, stipules present; with milky sap

flowers highly reduced & modified, separate male & female flowers closely associated on same plant, in false flower (pseudanthium) inflorescence called a cyathium; ovary superior

motif: spurge (Euphorbiaceae)

Photos / Sounds

What

Late Boneset Eupatorium serotinum

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
herb, simple, opposite (at least at base, upper leaves sometimes alternate), toothed, no stipules

flowers sympetalous, radial, ovary inferior; in head with involucre

motif: Asteraceae

Photos / Sounds

What

Bearded Sprangletop Leptochloa fusca ssp. fascicularis

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
herb, simple, alternate, entire, no stipules

flowers highly reduced (florets) in spikelets which are arranged in racemes which are in a panicle-like cluster
motif: monocot, "graminoid," grass family (Poaceae)

Photos / Sounds

What

Blue Mistflower Conoclinium coelestinum

Observer

jrichardabbott

Date

August 30, 2020

Description

ID basics (for class)
herb, simple, opposite, toothed, no stipules

flowers sympetalous, radial, ovary inferior; in head with involucre

motif: Asteraceae

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