Luzhu

Luzhu

　　A perennial herbaceous plant with a thick rhizome. The stems are upright and branched. The leaves are slightly glabrous; the ligule is membranous, truncate, with short bristles at the tip; the leaf blades are linear-lanceolate, flat, 30–60 cm long and 2–6 cm wide, with rough edges. The large panicle is 30–60 cm long; the spikelets contain 2–4 flowers, the rachilla is glabrous; the glumes are membranous and lanceolate; the lemmas are membranous with 3–5 veins; the first lemma is 8–10 mm long, gradually becoming smaller upward, and glabrous on the back; there are 3 stamens; the ovary is glabrous. The flowering and fruiting period is from October to December.