Eragrostis pergracilis S.T.Blake APNI*
Description: Spreading tufted perennial to 0.3 m high.
Leaves with ligule a ciliate rim with hairs < 0.5 mm long; blade rolled, < 1 mm wide, smooth, glabrous.
Inflorescence contracted, sometimes almost racemose, 3–7 cm long, 1–3 cm wide; rachis smooth or scabrous; pedicels 0–3 mm long, sometimes scabrous. Spikelets terete, curved, ascending, 10–38 mm long, 0.5–1 mm wide, florets 15–63; rachilla persistent with lemmas deciduous, paleas persistent. Glumes 1–2 mm long, acute, smooth, glabrous, keel scabrous; lower glume often slightly shorter than upper. Lemmas 1.5–2.5 mm long, emarginate, smooth, glabrous, upper margin membranous, upper keel often scabrous. Palea subequal to lemma, 2-keeled, the keels scabrous, lower 60% sometimes scabrous.
Flowering: in response to rain or flooding.
Distribution and occurrence: Grows on the margins of claypans in drier areas.
NSW subdivisions: NWP, NFWP
Other Australian states: Qld W.A. S.A.
Text by S. W. L. Jacobs & K. L. McClay
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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