Thyrsostachys oliveri Gamble

Thyrsostachys regia (Munro) Bennet

Thana-wa (Burmese): Mai-tong,Ura (Burma: Kachin); Phai-ruak-dam (Thailand), Lathi mula (Kerala), Thanawa (Burma), Kanak kaich, Busai, Nusai (Tripura)

Habit

Culms : Tufted

Height : 15-25m

Diameter : 5cm

Culm Color : Dull green or yellow

Internode Length : 40-60cm

Culm Sheath Color : fibrous,imbricating at the base,green when young, turningorange and finally brown, persistent, clothed on the back with thick, white, stiff, pubescence, rounded at the top margins thin and ciliate; liguleca. 4 mm high, dentate; auricles 2, very small, triangular blade upto 23 cm long, 2-3 cm broad, recurved, awl-shaped,hairy on both surfaces. Young shoots cone shaped, orange mixed with light green colour, covered with white hairs bladenarrow erect

Length of Leaf : 15- 20cm

Breadth of Leaf : 1.2- 1.5cm

Shape of Leaf : Linear- lanceolate

Altitude : 1500m

Soil : loamy soil

Habitat, Distribution,Uses

Habitat : Mixed deciduous forest

Introduced to : Nilambur (Wynad),Coimbatore

Native to : Myanmar

Description of Inflorescence and Flower : large compound curved,thyrsoid panicle, with usually one long and two shorter flower- bearing spikelets and one or more sterile ones; rachisflexuose, hairy, swollen at the top; bracts straw coloured, blunt; sheath 1.2-2.4 cm or more long, sometimes with adeciduous, green imperfect blade. Spikelets 1.5-2.5 cm, longer ones with long jointed rachis, shorter ones with veryshort joints; rachis hairy, flexouse; fertile flowers 2-3, with an uppermost rudimentary flower on a slender terminalrachilla; empty glumes 2, ovate-acute, ca. 1.3 cm, striate, many-nerved with conspicuous transverse veinlets, sparselyhairy outside; flowering glume similar, 2-5-nerved and hairy between the keels, divided often one-fourth of the waydown into long hairy cleft, glabrous except the acute tip, many-nerved; rachilla hairy; lodicules 2, lanceolate, acuminate,ciliate, very thin. Stamens long exserted, drooping; filaments purple; anthers yellow, the connective protruded into ablunt point. Ovary yellow, depressed-turbinate, stalked, surmounted by a long style, bearing three broad featherystigmas.

Flowering Cycle : 48-50 years

Flowering Reported : Myanmar(1891),Dehra Dun(1938),Haldwani(1962-63)

Propagation : Culm cuttings, Tissue culture, branch cutting, rhizome planting

Uses: Construction, Baskets, handicrafts, slabs, poles, edible

References: Seethalakshmi K. K ,1998; Manual for establishment and management of bamboo plantations, march 2005

Kerala Forest Research Institute All rights reserved.

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