कोगन घास Imperata cylendrica
Common Name : Cogon grass Family : Poaceae Habit: A perennial grass. Stem: Culms are short, erect and arise from rhizomes. The rhizomes are tough, white, commonly 1 m long but can be considerably more, extensively branched and covered with papery scale leaves at the nodes. Leaves: Stiff, linear-lanceolate, up to 120 cm long and 4- 18 mm wide, with a prominent white midrib, scabrid margin and pointed tip. The ligule is an inconspicuous membrane. Flowers: Inflorescence is a white, spike-like panicle, terminal, fluffy, 5-20 cm long and up to 2.5 cm in diameter. Spikelets are numerous, 3.5-5.0 mm long, each surrounded by a basal ring of silky hairs 10 mm long. Fruits: Grain is oblong, pointed, brown and 1-1.5 mm long.