Native & Naturalized Plants of the Carolinas & Georgia


3799

Grass, Sedge, or Rush
Perennial

Non-native: Eastern Hemisphere

Documented growing wild in - - -

Considered a noxious invasive. Reported in MD-VA & expected to seriously spread.

Look for it in moist forests, per Weakley's Flora

map
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INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

 

 

...Moist

LEAVES:
Simple
Alternate, 2-ranked

FLOWER:
Summer/Fall

FRUIT:
Summer/Fall

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales

WEAKLEY'S FLORA (5/21/15):
Oplismenus undulatifolius   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Oplismenus hirtellus ssp. undulatifolius   FAMILY Poaceae

INCLUDED WITHIN The genera of Paniceae (Gramineae: Panicoideae) in the se. US (Crins, 1991)
Oplismenus hirtellus

 

COMMON NAME:
Wavyleaf Basketgrass


Click or hover over the thumbnails to see larger pictures.

image of Oplismenus undulatifolius, Wavyleaf Basketgrass

Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org    bug_5389748_ppt

August?    Prince George's County    MD

Little Paint Branch Park

Leaf sheaths and culm axis are pilose with hairs 3-5mm long, per Weakley's Flora (2015).

image of Oplismenus undulatifolius, Wavyleaf Basketgrass

Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org    bug_5389750_ppt

August?    Prince George's County    MD

Little Paint Branch Park

Leaf length 2.5-10cm, the longest leaves with long-acuminate tips, per Weakley's Flora (2015).

image of Oplismenus undulatifolius, Wavyleaf Basketgrass

Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org    bug_5389751_ppt

September?        MD

Florets pinkish w long sticky awns that readily adhere to animals & people, per New Invaders of the Southeast.

image of Oplismenus undulatifolius, Wavyleaf Basketgrass

Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org    bug_5390042_ppt

September?        MD

Typical plant growth habit in a closed-canopy mesic forest.

image of Oplismenus undulatifolius, Wavyleaf Basketgrass

Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org    bug_5390043_ppt

December        MD

After senescence, WLBG is still obvious in the forest in mid-December.