Bambusa tulda Roxb.

Dendrocalamus tulda (Roxb.) Voigt

Wamunna (Assam), Tulda (Bengal), Mirtinga (Tripura), Jati (Assam, Arunachal Pradesh, Nagaland, West Bengal), Wati, Owati (Meghalaya), Mirtinga (Tripura), Rawthing (Mizoram), Paoshiding, Koraincho bans (Sikkim), Deobans (Behar), Longmeii (Nagaland)

Habit

Culms : Tufted

Height : 7- 23m

Diameter : 5- 10cm

Culm Color : Gray green

Internode Length : 40-70cm

Culm Sheath Color : 15-25 cm long and broad, attenuate upwardsand rounded or truncate at top, deciduous,adaxial surface smooth and often withwhitish powder, abaxial surface sometimescovered with appressed brown hairs; bladebroadly triangular, reniform or cordate,cuspidate, erect, hairy within; ligulecontinuous with the sheath top, narrow,entire; auricles 2, unequal, larger onecontinuous with the blade and roundedwith ciliate margin.

Length of Leaf : 15- 25cm

Breadth of Leaf : 2- 4cm

Shape of Leaf : Linear lanceolate

Altitude : 1500m

Soil : Alluvial soil, sandy, clayey soil

Habitat, Distribution,Uses

Habitat : Semi evergreen & Mixed deciduous forest

Introduced to : Assam, Bihar, Meghalaya, Mizoram, Nagaland, Tripura, Arunachal Pradesh, Uttrakand, Kerala, Andhra Pradesh, Karnataka

Native to : Bhutan, Nepal, India, Bangladesh,Burma, China

Description of Inflorescence and Flower : sometimes an immense radicalleafless panicle, sometimes a short leafy paniculate or spicate branch; branches spicate, bearing interrupted clusters offew (1-5) usually fertile long spikelets supported by shining chaffy bracts; rachis smooth, striate, spikelets variable inlength from 2.5-7.5 cm long, 5 mm broad, sessile, glabrous; cylindrical and acute at first, afterwards divided into manyflowers separated by conspicuous rachillae, bearing first 1- 2 short bracts, then 2-4 usually gemmiparous empty glumes,4-6 fertile flowers, and 1 or 2 imperfect or male terminal flowers; empty glumes acute, many-nerved; flowering glumemany-nerved, glabrous, striate 1.2-2.5 cm long and 7.5 mm broad, ovate acute or acuminate, mucronate, sometimesminutely ciliate on the edges; palea rather shorter, boat-shaped, 2- keeled, with long white ciliae on the keels andpenicillate at the tip, 5-7 nerves in the groove between the keels; rachillae clavate, flattened, striate, glabrous except onthe ciliate tip and occasionally the faintly ciliate edges, articulate below the glumes, so that the spikelets readily breaksup; lodicules 3, 2.5 mm long, 2 cuneate, oblong, obliquely truncate, thickened and fleshy below, especially on one side, hyaline and about 5-nerved above, the upper part long, white fimbriate, the third not thickened, hyaline, acute, long,fimbriate. Stamens long exserted; anther 7.5 mm, purple, glabrous, blunt at the tip or emarginate. Ovary obovateoblong,white, hairy above, surmounted by a short hairy style, divided into 3 long plumose wavy stigmas.

Flowering Cycle : 30-60 years

Flowering Reported : Bengal (1867-68,1930,1936), Assam (1930), Dehra Dun (1986)

Propagation : Seeds, culm cutting, Tissue culture

Uses: Construction, scaffoldings, reinforced concrete, edible, baskets, fences, stakes, handicraft, pulp and paper, flutes, boards, hats, plates, containers

References: Seethalakshmi K. K, 1998; Rao A.N, 1999; Manual for establishment and management of bamboo plantations, march 2005

Kerala Forest Research Institute All rights reserved.

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