Keyu (Costus speciosus )

Botanical Name:Costus speciosus (Koening ex Retz.) J.E. Smith (Zingiberaceae)
Genus: Banksea
Family: Costaceae
Syn : Banksea speciosa J. Koening
Sanskrit names: Canda, Kemuka.

Vernacular names: Ben: Keu; Hin : Kebu, Keyu, Kusi; Kan : Chengaivakoshtu; Mal: Cannakilannu, Cannakkuvva, Narumeanna; Mar: Penva, Pushkarmula; Tam:Tel: Kostam, Kuiravam, Kottam; Chengaivakohtu.
Trade name: Keyu.
Habitat:Throughout India; Pakistan and Bangladesh-in moist localities and in wastelands.

Description : Succulent perennial herb with long leafy spirally twisted stems, 2-3 m high and horizontal rhizomes; leaves simple, spirally arranged, ob­lanceolate or oblong, glabrous above, silky pubescent beneath with broad leaf sheaths; flowers white, large, scented, in large terminal spikes; bracts bright red; fruits globose / ovoid capsules; seeds obovoid or semi­globose.


Flowering: September-October; inflorescence globose of closely packed bracts.

Ecology and cultivation: Hills above 800 m; moist places and wastelands also.

Chemical content: Root: rich in starch
Medicinal uses: Rhizome: bitter, astringent, acrid, cooling, purgative, aphrodisiac, anthelmintic, depurative, febrifuge, expectorant and tonic, also beneficial in asthma, anaemia, bronchitis, leprosy, flatulence, constipation, fever, skin diseases and inflammation.

Modern use: in carcino­genic tumours.

The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider



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