BAMBOOS OF INDI A

Sinarundinaria
Sinarundinaria floribunda
Sinarundinaria floribunda (Thwaites) Chao & Renv. Kew Bull. 44: 356.1989. (Fig. 94).
Arundinaria floribunda Thwaites, Enum Pl. Zeyl. 475. 1864; Munro, Trans. Linn. Soc. London 26:20. 1868; Gamble,
Ann. Roy. Bot. Gard. Calcutta 7:5. 1896 and in Hook f., Fl. Brit. India 7: 377. 1897; Camus, Les Bambusees 28. 1913;
Ram Rao, Fl. Pl. Travancore 446. 1914. Indocalamus floribundus (Thwaites) Nakai J. Arn. Arb. 6: 148. 1925; Tewari,
Monogr. Bamboo 101.1992.
DESCRIPTION
Erect, shrubby bamboo. Culms ca. 1.5 cm high; internode ca. 9 cm long, covered with hairs, nodes swollen. Leaves ca.
20 cm long and 1.8 cm broad lanceolate, narrowed towards the base into a glandular short petiole, ending above into
long acuminate tip, serrated on the edges; leaf sheath striate, covered with hairs ending into a callus; auricles short and
furnished with bristles on the margin; ligule short, fimbriate. Inflorescence large, terminal in leafy branches. Spikelet
ca. 2.5 cm long, minutely silky pubescent, 8-flowered and the uppermost sterile; rachilla ca. 4 mm long, clavate hairy;
empty glumes 2, ovate acute, ciliate at the apex and on the edges, outer ca.4 mm long and 1.5 mm broad, and 3-nerved;
inner ca. 5 mm long and 2 mm broad and 5-nerved; lemma ca. 8 mm long and 3 mm broad, ovate acuminate, ciliate at
the apex, 7-nerved. Palea as long as lemma, 2-keeled, ciliate on the keels, bicuspidate; lodicules 3, two broad and long,
third one small and narrow, ovate obtuse,
fimbriate; stamens 3, long, basifixed,
brown, blunt, filament short. Ovary ovoid,
glabrous, style divided with 2 stigmas.
Caryopsis 0.5 cm long, red, linear,
crowned with the base of the bifid style.
DISTRIBUTION
The species is reported from Sri Lanka and
is also found distributed in the Western
Ghats region of Kerala (Rao, 1914).
line 94
➤Fig. 94. S. floribunda. A & B - leafy
branch with young flowering panicle;
C - spikelets; D & E - empty glumes;
F - flowering glume; G - palea;
H - lodicules; I - stamen; J - pistil.
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