815


Cyperus digitatus Roxb.


Synonym
:
Cyperus brachystachys Nees ex Boeckeler
Family
:
Cyperaceae
Flowering and fruiting period
:
December-August
Distribution

Pantropical
Distribution in Kerala
:
Alappuzha, Idukki,Thiruvananthapuram,Malappuram, Kollam, Thrissur
Habitat
:
Marshy fields
IUCN status
:
Least concerned
Uses
:
It is used to treat coughs. In Sudan and Nigeria a special form of C. digitatus is used to prepare a perfume.
Key botanical Charcters
Erect, tufted, shortly, rhizomatousperennials; culms 30-65 cm tall, triquetrous above, trigonous below. Leaves basal, 15-45 x0.5-1 cm, linear, acute, flat, scabrid on margins; sheaths upto 20 cm long, purple coloured.Inflorescence compound or decompound; leafy bracts 4-8, the longer ones upto 45 cm long;primary rays 4 to 10, unequal. Spikelets 6-10 x 1-1.5 mm, linear, weakly flattened, straw-coloured. Glumes 1.5-2 mm long, narrowly elliptic, keeled on back, pale straw-coloured.Stamens 3. Stigmas 3. Nut c. 1 x 0.5 mm, oblong-elliptic, trigonous, apiculate, greyish-brown, minutely puncticulate.


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