957
Rhynchospora corymbosa
Synonym
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:
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Calyptrostylis articulata
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Family
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:
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Cyperaceae
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Flowering
and fruiting period
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:
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August-January
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Distribution
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:
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Pantropical
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Distribution
in Kerala
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:
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Palakkad, Kottayam, Alappuzha, Kollam, Idukki, Pathanamthitta, Kannur,
Thiruvananthapuram, Wayanad
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Habitat
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:
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Wet grasslands, open marshes
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Uses
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:
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Ploughed in as a green manure in rice fields. The
stems are used for making mats, sandals and baskets
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Key botanical
characters:
Erect, tufted,
rhizomatous perennial herbs; rhizome short, thick, withut stolons; culms
triquetrous, 70-120 cm tall, several-nodose. Leaves basal and cauline, many,
35-80 x 1-2 cm, linear, flat, margins scabrid, apex long-acuminate, keeled,
thinly coriaceous; sheaths to 10 cm long. Panicles corymbose, terminal, 15-30
cm long; rays c. 10, upto 10 cm long; leafy bracts 10-28 cm long. Spikelets
6-10 x 1-2 mm, lanceolate, subterete, acute, chestnut-brown, 2-3-flowered,
lowest flower bisexual, upper one male. Glumes 5-7, subdistichous; lower ones
smaller, ovate, upper ones 3-5 x 1.5-2 mm, oblong-ovate, light brown.
Hypogynous bristles 6, in bisexual flowers and 1-3 in male flowers. Stamens
3. Style-baseconical, compressed, grooved on both sides. Nuts 2-3 x 1.5-2 mm,
oblong-obovate, irregularly rugose, brown.  |
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