A Handbook of Some South Indian GrassesRangachari, K.
Science
A Handbook of Some South Indian Grasses
Rangachari, K.
Grasses -- India, South; Plants -- India, South
_The leaf-sheaths_ are glabrous, rather compressed, striate, shorter
than the internodes. _Ligule_ is membranous, short, very finely
ciliolate or not.
_The leaf-blade_ is linear, finely acuminate, sparsely hairy, sometimes
with tubercle-based hairs, becoming glabrous when old with scaberulous
margins 2 to 8 inches by 1/10 to 1/6 inch, base rounded mostly with a
few long hairs.
[Illustration: Fig. 159.--Andropogon caricosus.
1 and 2. Front and back view of a bit of spike; 3. a sessile and a
pedicelled spikelet; 4, 5 and 6. the first, second and the third glume,
respectively, of the sessile spikelet; 7. awn representing the fourth
glume; 8. stamens, lodicules and the ovary; 9. the first glume of the
pedicelled spikelet.]
_The spikes_ are either binate or solitary varying in length from 1 to 2
inches, joints and pedicels about 1/3 as long as the sessile spikelets,
slightly angular or flat, ciliate along one side with white hairs;
peduncle is slender, pale or purple, pubescent or glabrous just below
the spike.
_The spikelets_ are about 1/8 inch, imbricate, a sessile and a stalked
one from the top of each joint, greenish or purple. The _sessile
spikelet_ contains a bisexual flower and consists of four glumes. The
callus is short, and shortly hairy below. The _first glume_ is somewhat
chartaceous, obovate-oblong, obtuse or truncate, 7- to 11-nerved, margin
slightly folded, keel shortly rigidly ciliate towards the apex, and
thinly ciliate below, dorsal surfaces sparsely hairy below the middle.
The _second glume_ is chartaceous, ovate-lanceolate, acute, equal to or
slightly longer than the first glume but narrower, 3-nerved, margin
infolded, thinly shortly ciliate, dorsally glabrous, shining. The _third
glume_ is hyaline, ovate-oblong, acute, nerveless, margins sparsely
ciliate or not. The _fourth glume_ is the base of the awn, 3/4 to 1
inch, scaberulous. _Stamens_ are three with yellow or purple tinged
anthers, _ovary_ oblong with two feathery _stigmas_. _Lodicules_ are
two, cuneate.
The _pedicelled spikelets_ are either male or neuter and consist of four
_glumes_. The _first glume_ is chartaceous, obovate-oblong, obtuse,
many-nerved (thirteen or more), thinly ciliate with long hairs and with
a few rigid short hairs towards the apex; margins are slightly infolded,
dorsally sparsely hairy without. The _second glume_ is membranous,
ovate-lanceolate, acute, 3-nerved (occasionally 4-nerved), margins are
thinly ciliate and infolded. The _third glume_ is hyaline, nerveless and
ciliate. The _fourth glume_ is hyaline, nerveless, linear and oblong,
glabrous, small, the apex is narrowed and deeply bifid. There are three
_stamens_ and two _lodicules_.
This is a common grass flourishing on the bunds of paddy fields and in
sheltered places where there is sufficient moisture in the soil. But
this is less common than _A. annulatus_, Forsk. In black cotton soil at
Bantanahal in Bellary district it grows to a height of 4 or 5 feet.
Public-domain text, read in full here on John Shaqi.
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