Family: Poaceae
Plectrachne helmsii
Citation:
C.E. Hubb., Kew Bull. 1941:29 (1941).
Synonymy: Triraphis bromoides sensu J. Black, Fl. S. Aust. 74 (1943), non F. Muell.
Common name: None
Description:
Perennial, with glabrous rigid stems to 80 cm high, with a tuft of rigid leaves at the base, the short basal sheaths minutely pubescent, the blades glabrous, subulate, pungent-pointed, spreading or spreading-erect, 4-12 cm long, stem leaves few, distant; nodes c. 2, glabrous; ligule a row of soft hairs, with longer hairs at the summit of the sheath.
Panicle exserted beyond the short uppermost leaf blade, narrow but loose, 10-15 cm long, c. 2 mm broad, the branches capillary, 2-3 cm long, rather distinct, solitary or rarely clustered in 2's or 3's, bearing 1 or 2 spikelets; glumes narrow, 14-16 mm long, acute, sub-5-7-nerved, minutely scabrous on the keel, purplish; body of the fertile lemmas c. 5 mm long (including acute beared callus of c. 1 mm), 3-nerved, the 2 outer nerves ciliate; awns 3-nerved, minutely scabrous on the margins, the central one c. 12 mm long, the 2 lateral ones c. 10 mm long, palea c. 6 mm long, 2-fid at the summit, scabrous on the 2 nerves.
Distribution:
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W.Aust.; Qld.
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Conservation status:
native
Flowering time: Sept. (1 record).
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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