Bambusa emeiensis

HABIT Perennial. Rhizomes short; pachymorph. Culms woody. Culm-internodes terete; hollow. Lateral branches dendroid. Leaves cauline. Ligule an eciliate membrane, or a ciliolate membrane.

INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in untidy tufts; 1.2–1.5 cm long; 2–3 cm between clusters; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets; leafless between branches; 50 cm long overall.

FERTILE SPIKELETS Spikelets comprising 4 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.

GLUMES Glumes several; 4 empty glumes; persistent; shorter than spikelet. Lower glume ovate; 2 mm long; chartaceous. Lower glume margins ciliolate. Lower glume apex obtuse. Upper glume ovate; 4 mm long; chartaceous. Upper glume margins ciliolate. Upper glume apex obtuse.

FLORETS Fertile lemma ovate; 5 mm long; without keel. Lemma margins ciliolate. Lemma apex mucronate. Palea oblong; 3.5 mm long. Palea keels ciliolate; adorned above.

FLOWER Lodicules 3; 1 mm long; veined; ciliate. Anthers 3. Stigmas 3. Ovary pubescent on apex.

DISTRIBUTION Asia-temperate: China. Asia-tropical: Indo-China.

NOTES Bambuseae. Rendle 2002.

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