Austrodanthonia bipartita –

Scientific names: Austrodanthonia bipartita

Common names:

Plant family: POACEAE

Species description: Habit. Perennial. Young shoots intravaginal. Culms erect, 15–80 cm high, 1 mm diam., 4 -noded. Leaf-sheaths smooth. Ligule a fringe of hairs. Leaf-blades flat or involute, 20–30 cm long, 1–2.5 mm wide. Surface glabrous or indumented. Inflorescence. Inflorescence simple, a panicle. Panicle lanceolate or ovate, 4–12 cm long. Primary panicle branches 2–4 cm long. Spikelets solitary. Female fertile spikelets pedicelled. Fertile spikelets. Spikelets comprising 4–7 fertile florets, with diminished florets at the apex, of 2 or more fertile florets, cuneate, laterally compressed, 9–15 mm long, breaking up at maturity. Floret callus evident. Glumes. Glumes similar, exceeding apex of florets, thinner than fertile lemma. Lower glume elliptic, 9–15 mm long, 1 length of upper glume, 5–7 -nerved, membranous, without keels, midnerve smooth or scaberulous, attenuate. Upper glume elliptic, 8–13 mm long, 1–1.5 length of adjacent fertile lemma, 5–7 -nerved, membranous, without keels, midnerve smooth or scaberulous, attenuate. Florets. Fertile lemma lanceolate, 2.2–3.3 mm long, chartaceous, without keel, 9 -nerved. Lemma surface indumented, pubescent, apex attenuate, lobed, incised 0.6 of lemma length, awned, 3 -awned, awn from a sinus, curved, 7–11 mm long overall, with twisted column. Lateral lemma awns present. Palea 4–5 mm long. Lodicules present. Anthers 3, yellow or orange. Grain 1.4–1.7 mm long, with adherent pericarp.

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