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.

Dendrocalamus sang

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 700–1000 cm long; 30–40 mm diam.; woody. Culm-internodes terete. Lateral branches dendroid. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades oblong; 35–37 cm long; 70–80 mm wide. Leaf-blade apex acuminate.

INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in globose clusters; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 4–5 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 8–12 mm long; 6–8 mm wide; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.

GLUMES Glumes several; 2–3 empty glumes; persistent; similar; shorter than spikelet. Upper glume ovate; 3–5 mm long. Upper glume apex acute.

FLORETS Fertile lemma ovate; 7–10 mm long; chartaceous; without keel. Lemma margins ciliate. Lemma apex acute. Palea chartaceous; 2-keeled but the uppermost without keels. Palea keels ciliate. Palea surface pubescent.

FLOWER Anthers 6. Stigmas 1. Ovary umbonate.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-tropical: Indo-China.

NOTES Bambuseae. Nguyen 1996.

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