纤鞘香茅 xian qiao xiang mao

Perennial; old basal sheaths fibrous. Culms tufted, 0.5–1 m tall, 3–4 mm in diam., nodes glabrous. Leaf sheaths glabrous; leaf blades narrowly linear, flat or folded, 50–70 × 0.3–0.5 cm, scabrid, base narrowed to midrib, apex filiform; ligule 2–3 mm. Spathate compound panicle ca. 30 cm, slightly dense, 2–3 tiers of branching; spatheoles 2.5–2.8 cm; racemes green, 1.7–2 cm; rachis internodes and pedicels ciliate along margins with 0.5–1.5 mm hairs; pedicel of homogamous pair not swollen. Sessile spikelet oblong-lanceolate, 4.8–5.3 × 1–1.1 mm; lower glume concave in lower half, smooth or slightly transversely wrinkled, sharply 2-keeled throughout, keels winged above middle, wings 0.15–0.2 mm wide, 2–3-veined between keels; upper lemma awned; awn ca. 10 mm. Pedicelled spikelet 4.7–5 mm. Fl. Oct.

* Mountain slopes. SW Sichuan, SE Yunnan.