(Imperata cylindrica)


Leaves Ligule Flowers
cogongrass leaf cogongrass ligule cogongrass flower

Growing habits: Erect, dense spreading perennial, leaves tufted at base

Root anatomy: Fibrous roots with scaly rhizomes

Leaf anatomy: Glabrous except for tuft of trichomes on upper surface at base, basal portion of some blades narrowed to resemble a petiole, off center midvein, sheaths can vary in pubescence from glabrous to hairy, fringed membranous ligule

Reproduction: Terminal silky panicle inflorescence, plumelike, 2-flowered spikelets, silky trichomes at base

References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice