Indosasa spongiosa

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 500–800 cm long; 10–60 mm diam.; woody. Culm-internodes channelled; hollow; 20–35 cm long; scaberulous. Culm-nodes swollen; with distinct supra-nodal ridge. Lateral branches dendroid. Branch complement three. Culm-sheaths deciduous; pilose; with appressed hairs; glabrous on margins; truncate at apex; without auricles; glabrous on shoulders. Culm-sheath ligule 1 mm high; entire, or ciliolate. Culm-sheath blade lanceolate. Leaves 3–5 per branch. Leaf-sheaths deciduous; glabrous on surface. Leaf-sheath oral hairs scanty, or lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole pubescent. Leaf-blades lanceolate; 5–17 cm long; 12–25 mm wide; chartaceous. Leaf-blade venation with 10–12 secondary veins; with distinct cross veins. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Chao & Yang 2002.

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