Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Poaceae
Thyridolepis mitchelliana

Citation: S.T. Blake, Contr. Qld Herb. 13:27 (1972).

Synonymy: Neurachne mitchelliana Nees, London J. Bot. 2:410 (1843).

Common name: Window mulga-grass, mulgagrass.

Base woolly; stems erect, leafy, 20-30 cm high; all nodes of the culms more or less pubescent; leaves stiff, lanceolate, flat, striate, glabrous or with tubercle-seated hairs beneath, 2.5-6.5 cm long, 2.5-4.5 mm broad; at least the lower sheaths longer than the internodes.

Raceme narrow-cylindrical, sometimes interrupted towards the base, 20-35 mm long, 7-9 mm broad (excluding the bristles), pale, the stem minutely silky-pubescent beneath the inflorescence; spikelets bearded at the base, 4.5-6.8 mm long (excluding the bristles), 1.6-2.1 mm broad, the middle and upper ones pubescent to villous as well as setose, with bristles the longer of which are 2-3.5 mm long; glumes with nerves in the upper part narrower than the space between them, first glume 5-7 mm long, rigid, 3-5-nerved, narrowed but obtuse at the summit, with a hyaline cavity in the lower half, pubescent to villous except the window, the second glume of equal length, pubescent on the back, villous-ciliate near the margins except along the obtuse narrowed upper part; first lemma 3-nerved, glabrous, sterile, nearly 4 mm long, second (fertile) lemma and palea scarious, ovate, 3.4-4.5 mm long, multistriate.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 149.

Distribution:  S.Aust.: NW, LE, GT, FR, EA, EP.   All mainland States except Vic.

Conservation status: native

Flowering time: recorded in May and Sept.

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

Biology: Moderately palatable especially when young.

Author: Not yet available

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