Tristachya nodiglumis K.Schum.

Densely tufted perennial; culms 60–200 cm. high, robust, 1–3-noded; basal leaf-sheaths silky villous.. Leaf-blades flat, 15–60 cm. long, 3–13 mm. wide.. Panicle narrowly ovate, 12–30 cm. long, open or contracted, comprising 8–70 triads, each borne at the end of a slender branch; pedicels connate.. Spikelets narrowly lanceolate, 18–30 mm. long, straw-coloured to purplish brown, often with the lower glume darker, glabrous or the lower glume ciliate from black tubercles near the margin; lower glume narrowly lanceolate, 2/3–4/5 as long as the spikelet, finely acute to setaceously acuminate; upper glume very narrowly lanceolate, as long as the spikelet; upper lemma 7–8 mm. long, pubescent, bilobed, the lobes drawn out into bristles 10–20 mm. long; central awn 3–6 cm. long, deciduous with the lateral lobes attached; callus 2 mm. long, pubescent.. Caryopsis hairy on top.. Fig. 115.