*Cyperus rotundus
Glumes dark brown, 3–3.5 mm long. Spikelets 10–30 mm long. Rhizomes dark brown to purplish. Tubers purplish. Culms up to 40 cm high. Widespread. Weed of cultivation and waste places. Introd. from Africa. Nut Grass
Glumes dark brown, 3–3.5 mm long. Spikelets 10–30 mm long. Rhizomes dark brown to purplish. Tubers purplish. Culms up to 40 cm high. Widespread. Weed of cultivation and waste places. Introd. from Africa. Nut Grass