Plinthanthesis Steud.
Lemma with an awn up to 6 mm long Plinthanthesis
Central awn c. 1 mm long, flattened, reflexed; lobes of the lemma less than half as long as the body of the lemma. Spikelets mostly 5–9 mm long, with 3–5 florets, greenish purple or straw-coloured. Erect, glabrous, tufted perennial up to 70 cm high. Panicle 7–20 cm long, lanceolate or pyramidal in outline. Coast. Moist situations on sandy or peaty soils. Fl. summer. Plinthanthesis paradoxa
Central awn more than 2 mm long, reflexed or twisted at the base; lobes of the lemma half as long as the body of the lemma. Spikelets 6–10 mm long, mostly with 3 florets. Erect, tufted perennial up to 60 cm high. Panicle up to 20 cm long, ovate to broad-pyramidal. Blue Mts; Woronora Plateau. Fl. summer. Plinthanthesis urvillei