About
Contact
Links
Electronic Flora of South Australia
Electronic Flora of South Australia
Census of SA Plants, Algae & Fungi
Identification tools
 

Electronic Flora of South Australia species Fact Sheet

Family: Poaceae
Aristida obscura

Citation: Henrard, Meded. Herb. Leid. 54A:385 (1927).

Synonymy: Not Applicable

Common name: Brush threeawn, small brush wiregrass.

Description:
Tufted perennial 24-54 cm tall; leaf blades flat to convolute, up to 15 cm long and c. 1.5 mm wide.

Inflorescence loose and contracted to open, 7-15 cm long and almost as wide; glumes unequal, the lower about two-thirds the length of the upper, 1-nerved, aristulare, the lower c. 8 mm long, the upper c. 13.5 mm long; lemma c. 12 mm long (including the callus of c. 1 mm long), convolute, densely tuberculate-spiny; awns 30-35 mm long, subequal, the laterals shorter by 1-3 mm, filiform; grain 7.5-9 mm long, with a hilum 3.7-4.3 mm long.

Published illustration: Lazarides (1970) The grasses of Central Australia, pl. 16b.

Distribution:  S.Aust.: NW.   W.Aust.; N.T.; N.S.W.

Conservation status: native

Flowering time: May and Sept. (2 records).


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

Biology: Palatable but, because of its rarity, of no importance.

Author: Not yet available


Disclaimer Copyright Disclaimer Copyright Email Contact:
State Herbarium of South Australia
Government of South Australia Government of South Australia Government of South Australia Department for Environment and Water