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Derris elliptica

Authority (Wallich) Benth. Family Magnoliopsida:Rosidae:Fabales:Leguminosae Synonyms Common names derris, derris root, tuba root, uka Editor Ecocrop code 885

Notes
BRIEF DESCRIPTION A woody, evergreen, left-winding liana, sometimes over 16 m long with compound leaves with 7-15 leaflets. The roots are up to 2 cm in diameter and up to more than 2 m long and dark reddish-brown. USES The powdered root, or extract, is used as an insecticide against horticultural pests like lice and caterpillars and against external parasites like ticks, lice, fleas and flies of animals and man. It is also used as a fish-poison. GROWING PERIOD Perennial. Often harvest after 24-27 months. It can survive dry periods of up to 4 months. COMMON NAMES Tuba root, Luba patch, Derris, Tuba patch, Touba, Tuba, Tuba akar, Kayu tuba, Tuba kurung, Tuwa leteng, Oyod jelun, Mombul, Manengop, Tubli, Tugling-pula, Upei, Hon, Ca bia, K'biehs, Hang lai daeng, Lai nam, Kalempok, Giaythuoc ca, Giay hay. FURTHER INF Tuba root is native of South East Asia. It is best adapted to low altitudes, but has been reported up to 450 m in Puerto Rico and up to 1500 m in Java. It is often found at forests edges and on riversides. There is danger of erosion during the first few months after planting and again after harvesting, land suitable for this crop should therefore be flat or only slightly sloping. Leaves are said to be poisonous enough to kill cattle. Yields of air-dried roots varies with cultivar and cropping method, in the trailing system it may be between 0.5-2.5 t/ha, while up to 3 t/ha can be produced if the plants are trellished.
Sources
SOURCES (D. elliptica (Roxb.) Bentham) Purseglove J 1974 pp 256-258 [LIG, RAIN, TEMP, TEXT, DRA, PHO] Roecklein J 1987 pp 260 [USE] Duke J 1975 pp 14 [PH, RAIN, TEMP] Williams C 1979a pp 80-81 [RAIN, TEMP, TEXT] Duke J 1981 pp 73-75 [TEXT, DRA, RAIN, TEMP, PH] Westphal E 1989 pp 112-114 [USE, RAIN, TEMP, PH, DRA, FER, TEXT]