Common name: Oat Speargrass
Anisopogon avenaceus R.Br. APNI*
Description: Glabrous perennial to 1.5 m high.
Leaves with ligule < 1 mm long; blade 15–40 cm long, 3–6 mm wide when flattened, the inner surface prominently ribbed.
Panicle loose, 2–5 cm long. Spikelets large, on pedicles 1–2 cm long; rachilla extension 2–4 mm long. Glumes finely chaffy, mostly c. 9-nerved, 3–5 cm long. Lemma stalked, shortly hairy, scabrid or smooth, body 10–18 mm long; stout central awn twisted, bent, 5–8 cm long, the slender awns straight or twisted, 1.5–2.5 cm long. Palea narrow, stiffly pointed, 10–14 mm long.
Distribution and occurrence: Grows in dry sclerophyll forest on sandstone.
NSW subdivisions: NC, CC, SC, NT, CT, ST
Other Australian states: Qld Vic.
Text by S. W. L. Jacobs & S. M. Hastings
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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