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Electronic Flora of South Australia species Fact Sheet

Family: Cyperaceae
Isolepis hystrix

Citation: Nees, Linnaea 7:496 (1832).

Synonymy: Scirpus hystrix Thunb., Prod. Pl. Cap. 17 (1794).

Common name: Awned club-rush.

Description:
Small tufted annuals usually less than 5 cm high; stems slender, striate; leaf blades flat or plano-convex, striate, less than 1 mm broad, as long as or longer than the inflorescence; bract leaf-like but broad below, usually spreading, to 2 cm long.

Spikelets 1 or few, bristly, broad, to 5 mm long, 20-30-flowered; glumes 2.5-3.2 mm long, green, with the broad-ovate lower part often reddish-tinged, terminating in a spreading attenuate portion at least as long as the basal part; stamens 2; style branches 3.

Nut trigonous, with one face broader and sometimes convex, greenish-black, much smaller than the glume, not shiny, c. 0.6 mm long.

Distribution:  S.Aust.: GT, MU, SL, KI, SE.   N.S.W.; Vic.   Native to South Africa.

Conservation status: naturalised

Flowering time: Oct. — Nov.


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

Biology: No text

Author: Not yet available


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