OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rottboellia cochinchinensis   FAMILY Poaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Rottboellia cochinchinensis   FAMILY Poaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Rottboellia cochinchinensis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25 (2003)

Rottboellia cochinchinensis

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.

image of Rottboellia cochinchinensis, Itch-grass

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 (Hitchcock & Chase, 1950).

image of Rottboellia cochinchinensis, Itch-grass

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 (Hitchcock & Chase, 1950).

image of Rottboellia cochinchinensis, Itch-grass

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 (Hitchcock & Chase, 1950).

image of Rottboellia cochinchinensis, Itch-grass

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

Month Unknown        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rottboellia cochinchinensis   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Rottboellia cochinchinensis   FAMILY Poaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Rottboellia cochinchinensis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Rottboellia cochinchinensis

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

 

Find by SCIENTIFIC NAME:

2947

Grass, Sedge, or Rush
Annual

Habitat: Disturbed ground, pine rocklands, pine savannas, fruit groves, per Weakley's Flora

Non-native: tropical southeast Asia

Uncommon in GA, rare in Carolinas

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)


INVASIVE

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

 

LEAVES:
Simple

FLOWER:
Summer/Fall

FRUIT:
Summer/Fall
Grain

 

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



 


Find by SCIENTIFIC NAME: