Rottboellia cochinchinensis
itch grass, itch grass
Family
Poaceae
Leaf Arrangement
alternate
Leaf Attachment
sheathing
Leaf Margin
entire
Leaf Type
simple
Leaf Shape
linear
Growth Form
graminoid
Flower Color
inconspicuous
Flower Month
September - October
Height (meters)
1.2 - 2.4
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
introduced
Lifespan
annual
Growing Season
Warm season
Prairie Coefficient of Conservatism
-1
Cultural Information
Seeds average approximately 26,000/lb.
Natural History
An invasive weed, abundant in disturbed areas in the southern half of Louisiana and Texas. It is a serious pest of sugarcane in south Louisiana. It also occurs in Florida and tropical Asia. Because of its course habit and vigorous growth itch grass may have the potential of invading relatively undisturbed plant communities.
Habitat
Disturbed areas.