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.

Chimonobambusa sichuanensis

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; woody; without nodal roots. Culm-internodes terete; 38 cm long; distally glabrous. Culm-nodes pubescent. Lateral branches dendroid. Branch complement three, or several; with subequal branches. Culm-sheaths persistent; coriaceous; without auricles; glabrous on shoulders, or ciliate on shoulders. Culm-sheath blade linear, or triangular; erect, or reflexed; 1.2–3.5 cm long; 1.5–25 mm wide. Leaves cauline. Leaf-sheath auricles absent. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 10–26 cm long; 15–30 mm wide. Leaf-blade venation with 10–14 secondary veins.

INFLORESCENCE Synflorescence bractiferous; scanty; with glumaceous subtending bracts; without axillary buds at base of spikelet; without prophylls.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets with diminished florets at the apex. Spikelets linear; laterally compressed; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes several (1–2); persistent; similar; shorter than spikelet.

FLORETS Fertile lemma oblong; chartaceous; without keel; 7–11 -veined. Lemma apex setaceously attenuate. Palea apex dentate; 2 -fid. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 3. Anthers 3; 5–6 mm long. Stigmas 2.

FRUIT Caryopsis with adherent pericarp; oblong.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Fl China 2006.

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