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Electronic Flora of South Australia species Fact Sheet

Family: Poaceae
Brachiaria gilesii

Citation: Chase, Contr. US. natn. Her 22:35 (1920).

Synonymy: -Panicum gilesii Benth., Fl. Aust. 7:477 (1878); Urochloa gilesii (Benth.)Hughes, Kew Bull. 1923:319 (1923).

Common name: Hairy-edged armgrass.

Description:
Annual; stems stiff, glabrous; nodes woolly; leaf sheaths rather loose, with scattered hairs seated on tubercles; blades flat, broadly lanceolate, somewhat dilated at the base, almost glabrous except for scattered tubercle-seated hairs near the margins which are also minutely scabrous-ciliolate; ligule of hairs.

Racemes c. 3 in number, alternate at the ends of the branches, 1.5-2.5 cm long; spikelets sessile in 2 rows on a trigonous scabrous rhachis barely 1 mm broad, spikelets c. 5 mm long; first glume minute, subtruncate, almost hidden by a ring of hairs at its base, second glume 9-nerved and ciliate on the margins; first lemma 5-nerved, villous-ciliate on the margins and containing a flat hyaline palea, second lemma (fertile) c. 2.5 mm long, faintly rugulose across, with a short mucro.

Published illustration: Lazarides (1970) The grasses of Central Australia, pl. 22a.

Distribution:    N.T.; Qld; N.S.W.

Conservation status: native

Flowering time: July (1 record).


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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