Bambusa atra Lindl.

Habit

Culms : Tufted

Height : 5-8m

Diameter : 3-4cm

Internode Length : 40-70cm

Culm Sheath Color : 12-18 cm long, 8-10cm broad at base, soon drying, with golden-brown hairs on back towards base, top truncate; ligule 1 mm tall, fringedwith 5-7 mm long stiff hairs; auricle 1-1.5 cm long, horizontal each side of the blade, with long bristles; blade as long asthe sheath, erect, ovate-lanceolate, acuminate, base 5 cm broad and rounded, attached by a narrow constriction.

Length of Leaf : 60 cm

Breadth of Leaf : 10 cm

Shape of Leaf : ovate-lanceolate to linear-lanceolate

Habitat, Distribution,Uses

Native to : Moluccas, New Guinea

Description of Inflorescence and Flower : terminal spike or panicle at the tip of leafy branchlets, bearing clusters of sessile spikeletssupported by a truncate bract; rachis rounded flattened on one side, striate. Spikelets ovate-acute, 1-1.25 cm long, about5 mm broad, much compressed, and often spirally twisted, bearing usually 1 to 2 basal empty glumes, about 10 fertileflowers and a terminal imperfect flower; rachillae short, glabrous; empty glume ovate, long-mucronate, 5-7-veined;flowering glume similar but longer, and white-ciliate on the margins; palea a little shorter than the flowering glumes,narrow, 2-keeled, minutely ciliate on the keels, sometimes bifid at the apex; lodicules apparently none. Stamens exserted;anthers narrow, the connective penicillate, apiculate; filaments often apparently monadelphous but separable. Ovaryoblong, whitish, pubescent, gradually passing into an elongated style which is finally divided into three purple plumosestigmas.

Uses: Construction, handicrafts, baskets, fish traps

References: Seethalakshmi K. K ,1998

Kerala Forest Research Institute All rights reserved.

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