Citation: Hook. F., Fl. Tasm. 2:83 (1858).

Synonymy: Chaetospora sphaerocephala R. Br., Prod. Fl. Nov. Holl. 233 (1810). , Schoenus sphaerocephalus

Common name: Button grass.

Description:
Coarse tussocky perennial; stems rigid, slender, over 1 m high; leaves all at and near the base of the stems, long, flat or channelled, 1-2 mm broad, with long brown broad open sheaths.

Spikelets with 2 flowers, the lower male, the upper bisexual, numerous in a dense globular head, c. 12 mm diam., with a few broad short involucral bracts at the base; glumes subdistichous; stamens ?3; style 3-fid, enlarged and hispid towards the base.

Nut crowned by the narrow pubescent base of the style.

Distribution:  S.Aust.: SE.   all States except W.Aust. and the N.T. In Vic. grows in swampy depressions and along water courses. Conservation status: native Flowering time: Nov. and March.

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

Biology: In the limited material available in AD it appears that there may be 5 stamens and hypogynous bristles.

Author: Not yet available