Native & Naturalized Plants of the Carolinas & Georgia


2947

Grass, Sedge, or Rush
Annual

Non-native: tropical southeast Asia
Documented growing wild in GA NC -

Uncommon (rare north of GA)

Look for it on disturbed ground, 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:

Georgia Exotic Pest Plant Council, 2006
SC Exotic Pest Plant Council, 2014
SC List of Regulated Pest Plant Species, 2017
Tennessee Exotic Pest Plant Council, 2009
USDA Federal Noxious Weed List, 093014

 

full sun ...Variable

LEAVES:
Simple

FLOWER:
Summer/Fall

FRUIT:
Summer/Fall
Grain

 

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 (11/30/12):
Rottboellia cochinchinensis   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Rottboellia cochinchinensis   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Rottboellia exaltata

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Manisuris exaltata

 

COMMON NAME:
Itch-grass


Click or hover over the thumbnails to see larger pictures.

image of Rottboellia cochinchinensis

USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org     bug_1149131

Month Unknown        

Leaf blades flat, in robust specimens to 3cm wide, per Manual of the Grasses of the United States.

image of Rottboellia cochinchinensis

Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org     bug_5376739

Month Unknown        

Spikelets awnless, in pairs at the nodes of a thickened articulate rachis, per Manual of the Grasses of the United States.

image of Rottboellia cochinchinensis

Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org     bug_5376740

Month Unknown