FoI
Common Nut Sedge   
Foto info
Common Nut Sedge
ative Photo: Prashant Awale
Common name: Common Nut Sedge, coco grass, nutgrass, purple nutsedge • Assamese: Keyabon • Hindi: बड़ा नागर मोथा Bara-nagar-motha, कोरेही झाड़ Korehi-jhar, मोथा Motha • Kannada: abdahullu, koranari-gadde • Malayalam: karimuttan, kora-kizanna, muttanna • Manipuri: শেম্বঙ কৌথুম Shembang kouthum • Marathi: बारीक मोथा Barik motha, Bimbal • Oriya: mutha • Sanskrit: abhrabheda, ambhodhara, ambuda • Tamil: korai, korai kilangu, muthakasu • Telugu: bhadra-tunga-muste, bhadramuste • Urdu: sad kufi, habu-ul-zillam, nagarmotha
Botanical name: Cyperus rotundus    Family: Cyperaceae (Sedge family)

Common Nut Sedge is a perennial plant, that may reach a height of up to 40 cm. The names "nut grass" and "nut sedge" (shared with the related species Cyperus esculentus) are derived from its tubers, that somewhat resemble nuts, although botanically they have nothing to do with nuts. Leaves sprout in ranks of three from the base of the plant. The flower stems have a triangular cross-section. The flower is bisexual and has three stamina and a three-stigma carpel. The fruit is a three-angled achene. The root system of a young plant initially forms white, fleshy rhizomes. Some rhizomes grow upward in the soil, then form a bulb-like structure from which new shoots and roots grow, and from the new roots, new rhizomes grow. Other rhizomes grow horizontally or downward, and form dark reddish-brown tubers or chains of tubers.

Identification credit: Prashant Awale
Photographed in Mumbai.
• Is this flower misidentified? If yes,