Bambusa copelandi Gamble

Dendrocalamopsis copelandii (Gamble) Keng f. , Dendrocalamus copelandii (Gamble ex Brandis) N.H. xia & Stapleton


Culms : Tufted

Height : 20m

Diameter : 16-19cm

Internode Length : 45cm

Culm Sheath Color : 38 cm long and 30 cm broad at the base, thick, covered with scanty golden-yellow hairs outside,polished inside, top rounded towards the short and narrow blade. Blade and edge of sheath in young shoots very sharp,copper coloured; auricles absent or minute.

Length of Leaf : 33-38 cm

Breadth of Leaf : 4.5-8 cm

Shape of Leaf : ovate-lanceolate

Habitat, Distribution,Uses

Introduced to : Myanmar

Description of Inflorescence and Flower : large compound panicle of long, whip-like curvedspikes; spikelets clustered in heads of 2-10 with 2 small bracts at the base, bracts broadly ovate, ciliate on the margin;rachis between the heads 1-4.5 cm long, glaucous or somewhat puberulous; spikelets 2.5-3.8 cm long, 5-7 mm broad,ovate, acute, faintly pubescent, slightly compressed, with 4-7 florets, tinged purple outside, top most floret sterile; lowerglume broadly ovate, acute, about 12-nerved and with conspicuous transverse veinlets, ciliate on the edges, ca.7 mmlong, pubescent and purple tinted; upper glume very similar to the lower glume in shape, texture and pubescence, 12mm long, 22 nerved with anastamosing strands. First lowest floret lemma broadly ovate, 12 mm long, pubescent outside,ciliate on the edges, margins convolute clasping the rachilla at the base, longitudinal nerves ca.24, transverse veinsobscure; palea 13 mm long, almost membranous, prominently keeled, ciliate on the keels and margins, deeply cleft at theapex, 3-5 nerved. Stamens 6, exserted; anthers 8 mm long, sagitate at the base, apiculate, pale-yellow; filaments free,ca.15 mm long, thread like. Ovary turbinate, 6 mm long, densely hairy at the top; style long (upto 15 mm), sparsely hairyall over, ending in a simple plumose stigma, exserted at the apex; lodicules 3, lanceolate, hyaline, hairy on the margins.

Flowering Cycle : 48 years

Flowering Reported : Myanmar(1896), Dehra Dun(1943)

References: Seethalakshmi K. K ,1998

Kerala Forest Research Institute All rights reserved.

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