Non-Timber Forest Products Exchange Programme

NTFP Product Database

Product Details

Asiatic bitter yam PRODUCT NAME

Dioscorea hispida Dennst. SCIENTIFIC NAME

Common Name: Asiatic bitter yam, Intoxicating yam, Bittere Yamswurzel [German]; Inhame [Portuguese (Brazil)]
Local Name: Kalut, Kulot, Korot (Zambalesw); Karote (Zamboanga); Kayos (Tayabas); Korot (Samar, Leyte); Nami (Mindoro, Rizal); Nama (Camarines).
Family: Dioscoreaceae
Other Species of Same Genera: Dioscorea aculeata L. Dioscorea alata Dioscorea angusta Dioscorea angusta R. Knuth Dioscorea anthropophagorum A. Chev. Dioscorea atropurpurea Roxb. Dioscorea batatas Decne. Dioscorea bonnetii A. Chev. Dioscorea brachycarpa Scltdl. Dioscorea bulbifera Dioscorea camphorifolia Uline ex R. Knuth. Dioscorea canariensis Webb & Berthel. Dioscorea capillaris Hemsl. Dioscorea cayenensis Dioscorea chamela McVaugh Dioscorea cirrhosa Dioscorea colocasiifolia Pax, Dioscorea communis Dioscorea convolvulacea Dioscorea crispata Roxb. Dioscorea daemona Roxb. Dioscorea decaisneana Carr. Dioscorea deltoidea Dioscorea divaricata Dioscorea doryphora Hance, Dioscorea eburina Lour. Dioscorea eburnea Lour. Dioscorea esculenta Dioscorea esurientium Uline, Dioscorea fasciculata Roxb. Dioscorea foxworthyi Prain & Burk. Dioscorea globosa Roxb. Dioscorea hastifolia Dioscorea heterophylla Roxb. Dioscorea hirsuta Blume, Dioscorea hispida Dioscorea hoffa Cordem. Dioscorea hofika Jum. & Perr. Dioscorea japonica Dioscorea javanica Queva, Dioscorea joseensis R. Knuth, Dioscorea korrorensis Knuth, Dioscorea latifolia Benth. Dioscorea longipetiolata Baud. Dioscorea lunata Roth, Dioscorea macrostachya Mart. & Gal. Dioscorea matsudae Hayata, Dioscorea mexicana Dioscorea mollissima Blume, Dioscorea nepalensis Sweet ex Bern. Dioscorea nummularia Dioscorea opposita Thunb. Dioscorea oppositifolia Dioscorea oxyphylla R. Knuth, Dioscorea papillaris Blanco, Dioscorea papuana Warb. Dioscorea pentaphylla Dioscorea perrieri R. Knuth, Dioscorea piperifolia Dioscorea polystachya Dioscorea potaninii Prain & Burk. Dioscorea pseudobatatas (Harn.) Hert. Dioscorea pulchella Roxb. Dioscorea purpurea Roxb. Dioscorea quinqueloba Dioscorea rhipogonoides Oliv. Dioscorea rogersii Prain & Burk. Dioscorea rosthornii Diels, Dioscorea rubella Roxb. Dioscorea sapinii De Wild. Dioscorea sativa L. Dioscorea soror Prain & Burk. Dioscorea spicata Dioscorea spinosa Burm. Dioscorea swinhoei Rolfe, Dioscorea tamifolia Salisb. Dioscorea tenuiflora Schltdl. Dioscorea tiliifolia Kunth, Dioscorea tomentosa Dioscorea trifida Dioscorea triloba Lam. Dioscorea triphylla L. Dioscorea tugui Blanco, Dioscorea villosa Dioscorea violacea Baud. Dioscorea vulgaris Miq.
Product Description: A climbing vine and is characterized compound leaves with three large leaflets. The young stems, petioles, and leaflets are hairy. The flowers are small, pale yellow, and are borne on compound inflorescences, which are usually large. The fruits are about 5 cm long and divided into 3 thin lobes, which are more than twice as long as wide 
NTFP Classification:

DISTRIBUTION

Countries Found: Philippines
Description: This species is distributed from the Mountain Province of Luzon and also in the northern part of Mindanao. It is rarely cultivated 

USES AND PARTS USED

Parts Used:
Uses:
Origin:
Management Practices: The tubers are poisonous, but are rendered edible by being sliced and kept in running water from 36-48hours. 
Market Information:
Partners: Bureau of Forestry, Philippines

PARTNERS INVOLVED IN ACTIVITIES CONCERNING THIS NTFP

Duration:
Activity:
External Links: http://plants.usda.gov/java/profile?symbol=DIHI7 http://www.henriettesherbal.com/plants/dioscorea
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