BAMBOOS OF INDI A

Bamboos of India
➤
Fig. 1. A. racemosa A - leafy branch;
B - flowering branch; C - a portion of
culm; D - culm-sheath; E - spikelet;
F - flowering glume; G - palea;
H - lodicules; I - lodicules with stamens
and pistil; J - stamen; K - pistil.
line 1
Leaf-sheath striate, straw-coloured,
scabrous on the surface, edges glabrous
and ending in a callus with auricles having
brown bristles on both sides; ligule short,
blunt. Inflorescence an axiliary panicle
on leafy branches; rachis glabrous, with
3 spikelets; spikelet ca. 3.5 cm long, with 4-8 florets on glabrous pedicels, upper most floret empty; rachilla ca. 5 mm
long, clavate, pubescent with tuft of hairs below the flowers; empty glumes 2, very small, ovate, acuminate, papery,
hairy at the tip; outer glume ca. 4 x 1 mm, 3-nerved; inner glume ca. 5 x 2.5 mm, 5-nerved; lemma ca. 10 x 4 mm, ovate,
tip long- acuminate, ciliate, margin minutely ciliate, brownish- red, 9-nerved; palea shorter than lemma, ca. 8 mm long,
tessellate, 2-keeled, ciliate on the keels, tip bimucronate and ciliate; lodicules 3, ovate-lanceolate, acute, ciliate,
5-nerved, ca. 2 mm long, one shorter. Stamens 3; anther ca. 4.5 mm long, bilobed, basifixed, tip-bifid, acute, yellow;
filament ca. 1 mm long; ovary ca. 1 mm long, ovoid-oblong, glabrous, orange in colour; style undivided, short; stigmas 3,
plumose. Caryopsis ca. 5 mm long, elliptic, acute, glabrous, furrowed on one side with persistent base of style and
stigmas.
Chromosome number n = 24.
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