Tragus australianus S.T.Blake

Ephemerals or annuals, erect, decumbent or geniculate. Flowering culms 20–43 cm high, 2–4-noded. Leaves: basal sheaths glabrous; orifice pubescent; ligule a fringe of hairs; blade stiff, flat over most of the surface, 2.5–7 cm long, 2.5–6 mm wide, subcordate; uppermost blade short. Inflorescences 5.5–11 cm long; glomerules with 2 or more spikelets separated by an internode, usually 2 spikelets bisexual. Spikelets lanceolate, slightly incurved. Bisexual spikelets: upper glume lanceolate, 2.9–4.5 mm long; lemma oblong, 2.6–3.5 mm long, glabrous or pubescent; palea oblong or ovate, ±equal to lemma body, weakly 2-keeled or unkeeled, with body glabrous. Caryopsis fusiform, dorsally compressed, 1.2–2.1 mm long, 0.5–0.75 mm wide.

A summer ephemeraloccurring on soils of various textures, but mostly on red sandy soils; in bareopen spaces and disturbed areas, in sparse to dense woodland with such speciesas Poplar Box (Eucalyptus populnea), Mulga (Acacia aneura), Brigalow (Acacia harpophylla), Belah (Casuarina cristata), or Callitris spp., or other Eucalyptus or Acacia species, or in herb-orgrasslands dominated by Sclerolaena spp., Astrebla spp. or Aristida spp.