Citation: L., Sp. Pl. 45 (1753) subsp. rotundus.

Synonymy: Cyperus rotundus

Common name: Nut-grass sedge, nut-grass.

Description:
Perennial, usually 15-30 cm high, with wiry rhizomes bearing prominent ellipsoid naked or fibrous-coated tubers, stems slender, triquetrous throughout; leaves grass-like, narrow, usually shorter than the stems; bracts 2-4, the lower about as long as or longer than the inflorescence.

Nut often not maturing; obovoid, trigonous, rather less than half the length of the glume, rarely maturing.

Distribution:  S.Aust.: LE, MU, SL.   All mainland States and ?Tas.   Native in warm parts of the world. Conservation status: naturalised Flowering time: Nov. — May.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: A troublesome weed in gardens and cultivated land.

Author: Not yet available