Yushania yongdeensis

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; erect at the tip; 500–800 cm long; 20–55 mm diam.; woody. Culm-internodes terete; with small lumen; (15–)20–28(–30) cm long; smooth. Culm-nodes swollen; pubescent. Lateral branches dendroid. Bud complement 1. Branch complement several; in a horizontal line; with subequal branches. Culm-sheaths persistent; chartaceous; green and purple; distinctly mottled with last colour; hispid; with appressed hairs; with tawny hairs; hairy on margins; without auricles; setose on shoulders; shoulders with straight hairs; shoulders with 2–10 mm long hairs. Culm-sheath ligule 1–1.5 mm high; purple; entire. Culm-sheath blade linear, or triangular; erect; 0.6–7.5 cm long; 1.3–4 mm wide; glabrous on surface. Leaves 3–5(–9) per branch. Leaf-sheaths 2.8–4 cm long; glabrous on surface. Leaf-sheath oral hairs setose; erect; 3–6 mm long. Ligule an eciliate membrane; 1 mm long; purple; truncate. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1–0.2 cm long. Leaf-blades linear, or lanceolate; (6–)9–16.5 cm long; 11–13 mm wide; chartaceous; light green and dark green; discolorous with last colour beneath. Leaf-blade venation with 8–10 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 & Shi 2009.

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