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Lupinus mutabilis

Authority	Sweet
Family	Magnoliopsida:Rosidae:Fabales:Leguminosae
Synonyms	Lupinus tauris
Common names	altramuz, Andean lupin, cequela (Peru), chochito (Ecuador, Peru), chocho, chocho (Ecuador, Peru), chuchus (Bolivia), lupino, pearl lupin, raewi (Peru, Bolivia), South American lupin, sweet Bolivian lupine, tarwi, tauri, tauri (Bolivia)
Editor
Ecocrop code	7435

Notes
BRIEF DESCRIPTION An erect leguminous herb reaching 0.5-2.5 m in height. It has a taproot and a thick main stem. USES The seed is used as food after the bitter taste has been removed. It is used in soups, stews, desserts and soft drinks. It is also used in proportions up to 15% in breadmaking. The seeds can be extracted for an oil used in cooking. The cooking water can be used to control pests and diseases. In the flowering stage the plant can be used as green manure. It can be used as a hedge plant, an ornamental and plant residues are used as fuel. KILLING T Mature plants may withstand -5°C, but young plants are frost sensitive. GROWING PERIOD Annual, with a long vegetative cycle, needing 150-330 days to fully ripen its seed. Usually harvested in May in Bolivia. COMMON NAMES Tarwi, Tarhui, South American lupin, Chocho, Chochito, Chuchus. Pearl lupine, Tarin altramuz, Muti, Ullus, Altramuz, Chuchus muti, Tauri, Andean lupin, Lupino, Altramuz. FURTHER INF Scientific synonym: L. tauris. Seeds contain toxic alkaloids and need extensive preparation for human consumption. Said to be used for poison. New varieties with a lower alkaloid content exist. Grown at altitudes between 800 and 4000 m in the Andean mountains, the species is indigenous to western South America, mainly Peru. In Europe tarwi can be grown at sea level. It is nitrogen fixing but susceptible to excessive humidity. Optimum yield of vegetation is 50 t/ha, and yields of lupin seeds vary from down to 290 kg/ha in Africa to up to 4.5 t/ha in Australia and even up to 7 t/ha have been recorded.
Sources
SOURCES (L. mutabilis Sweet) Hackett C 1982 pp 47 [FER, PHO, DEP, PH, TEXT, TEMP] Roecklein J 1987 pp 354 [USE, PH, TEXT] Duke J 1981 pp 140-141 [PHO, PH, TEXT, DRA, KTMP] Vietmeyer N 1989 pp 181-189 [PHO, DRA, KTMP, TEXT, PH] National RC 1979 pp 86 Kay D 1979 pp 246-265 [TEMP, RAIN, TEXT, DRA, PH, FER, PHO] Bermejo J 1994 pp 139-144 [USE, PHO, RAIN, KTMP, TEXT, FER, DRA, PH]