BAMBOOS OF INDI A

Bamboos of India
Gigantochloa rostrata
Gigantochloa rostrata Wong, Malay. Forester 45(3): 349. 1982; Widjaja, Reinwardtia 10(3): 333. 1987; Bennet
and Gaur, in Thirty Seven Bamboos Growing in India 73. 1990; Tewari, Monogr. Bamboo 99. 1992. (Fig. 52).
Gigantochloa maxima var. minor Holttum, Gard. Bull. Singapore 16: 116. 1958; Oxytenanthera nigrociliata Munro,
Trans. Linn. Soc. London 26: 128. 1868. p.p. non Bambusa nigrociliata Buse Gamble, Ann. Roy. Bot. Gard. Calcutta
7: 69. 1896; Camus, Les Bambusees 145. 1913.
VERNACULAR NAMES
Madhya Pradesh - Panibans; Orissa
- Bolangi; Tripura - Kailyai.
DESCRIPTION
➤
line 52
Fig. 52. G. rostrata. A - leaf with flowering branch; B - culm-sheath; C - spikelet;
D - empty glume; E - flowering glume; F - palea; G - stamen; H - anther; I - pistil;
J - young shoot; K - a portion of culm.
Tufted dark green bamboo. Culms
5-8 m tall 2.5-5 cm diameter.
Thick-walled, slightly drooping,
basal portion with yellowish stripes;
internodes 20-30 cm long. Culmsheaths
upto 10 cm long and 5.5
cm broad, deciduous, with dark
brown hairs on the back; auricles
low, glabrous; ligule 1-1.5 mm high,
irregularly toothed, blade upto 8 cm
long, leaf like, spreading or reflexed.
Young shoots green, sheath covered
with glossy black pubescence,
blades erect imbricating, apex longpointed.
Leaves 15-22 cm long,
2-3 cm broad, puberulous;
petiole 3-4 mm long, auricles an
inconspicuous rim, glabrous; ligules
3-8 mm high. Inflorescence
spikelets slender, 26-31 mm long
and 2-3 mm broad, with 3 perfect
flowers, glumes 3, 6-11 mm long,
narrowly ovate, apiculate; lemma
15-30 mm long, apex long, pointed
and rostrate, hairy on the back,
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