Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA (11/30/12):
Rottboellia cochinchinensis
FAMILY
Poaceae
NEW! Click to go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Itch-grass from the Vascular Plants of North Carolina.
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, 1938)
Manisuris exaltata
COMMON NAME:
Itch-grass
To see larger pictures, click or hover over the thumbnails.
)
Keith Bradley kab_rottbo~1
May Miami-Dade County FL
Sheaths papillose-hispid [having stiff hairs on swollen nipple-like bases], per Manual of the Grasses of the United States.
)
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.
)
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.
)
Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376740
Month Unknown
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, 1938)
Manisuris exaltata
2947
Grass, Sedge, or Rush
Annual
Non-native: tropical southeast Asia
Habitat: Disturbed ground, pine rocklands, pine savannas, fruit groves, per Weakley's Flora
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
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 Weeds, 091820
LEAVES:
Simple
FLOWER:
Summer/Fall
FRUIT:
Summer/Fall
Grain
TO LEARN MORE about this plant, look it up in a good book!