Yushania glauca

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 300–700 cm long; 14–17 mm diam.; woody; 27 -noded. Culm-internodes terete; with small lumen; 26–33 cm long; estriate; distally mealy. Lateral branches dendroid; erect, or ascending. Bud complement 1. Branch complement several. Culm-sheaths persistent; 5–13 cm long; 0.3–0.5 length of internode; 2 times as long as wide; chartaceous; yellow and purple; distinctly mottled with last colour; glabrous; hairy on margins; convex at apex; auriculate; setose on shoulders; shoulders with 3–4 mm long hairs. Culm-sheath ligule 1–4 mm high; purple; lacerate. Culm-sheath blade lanceolate, or triangular; erect; 1.5–5.5 cm long; 5–15 mm wide; glabrous on surface. Leaves 1–5 per branch. Leaf-sheaths 4–6 cm long; glabrous on surface; outer margin glabrous. Leaf-sheath oral hairs setose; 1.5–5.5 mm long; dark. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 1–2 mm long; lacerate; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.25–0.5 cm long; petiole pubescent. Leaf-blades lanceolate; 4–13.5 cm long; 7–17 mm wide; chartaceous. Leaf-blade venation with 6–10 secondary veins; with distinct cross veins. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Yi & Long 2002.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.