GrassBase - The Online World Grass Flora

Descriptions

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

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

Phyllostachys arcana

HABIT Perennial; caespitose. Rhizomes elongated; leptomorph. Culms erect; 750 cm long; 30 mm diam.; woody. Culm-internodes semiterete; hollow; 30 cm long; ridged; smooth; distally mealy. Culm-nodes bearded. Lateral branches dendroid. Branch complement two; with 1 branch dominant. Culm-sheaths deciduous; smooth, or antrorsely scabrous; concave at apex; without auricles; glabrous on shoulders. Culm-sheath ligule ciliolate. Culm-sheath blade triangular; spreading; glabrous on surface. Leaves cauline; 2–3 per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane, or a ciliolate membrane; scaberulous on abaxial surface; obtuse. Leaf-blade base with a brief petiole-like connection to sheath; petiole glabrous. Leaf-blades lanceolate; 15 cm long; 20 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. McClure 2002.

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