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.

Bambusa salarkhanii

HABIT Perennial; caespitose; clumped densely. Rhizomes short; pachymorph. Culms erect; 1000–1500 cm long; 40–100 mm diam.; woody; without nodal roots. Culm-internodes terete; with small lumen; 30–40 cm long; light green; distally pruinose. Culm-nodes without obvious supra-nodal ridge. Lateral branches dendroid. Bud complement 1. Branch complement several; with 1 branch dominant. Culm-sheaths tardily deciduous; 12–20 cm long; 1 times as long as wide; brown; hispid; with black hairs; truncate at apex; auriculate; ciliate on shoulders. Culm-sheath ligule brown. Culm-sheath blade ovate; erect; 4–6 cm long; 100–150 mm wide; hispid; acuminate. Leaves cauline; 7–10 per branch. Leaf-sheaths keeled; pubescent; hairs tawny. Leaf-sheath oral hairs setose; deciduous. Leaf-sheath auricles falcate. Ligule an eciliate membrane; truncate. Collar with external ligule. Leaf-blade base symmetrical, or asymmetrical; with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 12–24 cm long; 13–20 mm wide; light green and dark green; discolorous with last colour beneath. Leaf-blade venation with 12–16 secondary veins. Leaf-blade surface pubescent; sparsely hairy; hairy adaxially. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

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

FERTILE SPIKELETS Spikelets comprising 4–8 fertile florets; with diminished florets at the apex. Spikelets linear; subterete; 30–40 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.

GLUMES Glumes two, or several; 2–3 empty glumes. Lower glume ovate. Upper glume ovate.

FLORETS Fertile lemma ovate; 10–15 mm long; without keel. Lemma apex acute. Palea 9–15 mm long; 15–16 -veined; 2-keeled. Palea keels ciliate. Palea apex entire. Apical sterile florets resembling fertile though underdeveloped; 1 in number.

FLOWER Lodicules 2; lanceolate, or orbicular; membranous; ciliate. Anthers 6. Stigmas 3. Ovary pubescent on apex.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-tropical: India.

NOTES Bambuseae. Alam 2005.

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