Common name: Hard Spinifex
Triodia basedowii E.Pritz. APNI*
Description: Hummock-forming perennial to c. 1 m high and 1.5 m diam.
Leaves with ligule a ciliate rim with hairs < 1 mm long; orifice woolly with hairs to 2 mm long; blade folded, sharply pointed, glabrous.
Inflorescence open, 7–13 cm long, to 3 cm wide, much exserted. Spikelets 10–18 mm long, florets 6–12, uppermost floret sometimes reduced; pedicels 2–10 mm long, minutely scabrous, glabrous. Glumes 6.5–10 mm long, acute to acuminate, keeled, smooth, glabrous, margins sometimes ciliate with hairs to 2 mm long. Lemmas 5–10 mm long, 3-lobed, smooth, lower 50% silky with hairs to 1 mm long, silky toward margins with hairs to 2 mm long; lobe margins ciliolate, lateral lobes c. 4 mm long, obtuse to acute, central lobe c. 5 mm long, subulate, narrower than lateral lobes; palea subequal to entire part of lemma.
Flowering: Flowers in response to rain.
Distribution and occurrence: Grows on sand dunes and plains of arid areas. Qld, N.T., S.A., W.A.
NSW subdivisions: NFWP
Other Australian states: Qld W.A. S.A. N.T.
Text by Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B. Taxon concept: Grasses of New South Wales, Fourth Edition (2008).
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data ***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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