GrassBase - The Online World Grass Flora


W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Fargesia yuanjiangensis

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 300–500 cm long; 8–13 mm diam.; woody. Culm-internodes terete; with small lumen; 8–20 cm long; striate; distally mealy. Culm-nodes swollen. Lateral branches dendroid. Bud complement 1. Branch complement several; thinner than stem. Culm-sheaths persistent; 16–25 cm long; 4 times as long as wide; chartaceous; hispid; with dark brown hairs; glabrous on margins; without auricles; setose on shoulders; shoulders with straight hairs; shoulders with 3–5 mm long hairs. Culm-sheath ligule 1 mm high. Culm-sheath blade linear, or lanceolate; demarcated but persistent; erect; 3–6.5 cm long; 1.5–2.5 mm wide. Leaves 3–6 per branch. Leaf-sheaths 2–4 cm long; outer margin glabrous. Leaf-sheath oral hairs setose; erect; 2–5 mm long. Leaf-sheath auricles absent. Ligule an eciliate membrane; 1 mm long; truncate. Collar with external ligule. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.1–0.2 cm long. Leaf-blades lanceolate; 3–10.6 cm long; 4–8.5 mm wide; chartaceous. Leaf-blade venation with 6–8 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. Hsueh & Yi 2002.

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