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Pachyrhizus tuberosus

Authority	(Lam.) Spreng.
Family	Magnoliopsida:Rosidae:Fabales:Leguminosae
Synonyms	Dolichos tuberosus Lamarck, Pachyrrhizus tuberosus (Lam.) Spreng.
Common names	Amazonian yam bean, amazonische jamsbohne, amazonische knollenbohne, ashipa, at böyrüce, bengkoewang, chuin, dolique tubéreuse, fagiolo patata, feijão-jacatupé, hoewi iris, jacatupé, jacutupé, jícama, jiquima, jocotupé, knollenbohne, knollige bohne, manioc bean, pois cochon, pois patate, potato bean, sha ge, sinkamas, tuberous gram, yam bean, yambohne, yamsbønne
Editor
Ecocrop code	148966

Notes
SOURCES (P. tuberosus (Lam.) Spreng.) Purseglove J 1974 pp 2822-284 [USE, FER, TEXT] Duke J 1981 pp 184-185 [FER, TEXT, DRA, PHO, RAIN, TEMP, PH] Roecklein J 1987 pp 257 [USE] National RC 1979 pp 21 GROWING PERIOD Perennial vine, that flowers from November to May and fruit April-September. Tubers mature in 180-240 days. COMMON NAMES Potato bean, Yam bean, Jicama, Ajipo, Tuberosus yam bean. FURTHER INF Scientific synonyms: Cacara tuberosa, Dolichos tuberosus, Stizolobium tuberosum. The species is indigenous to the Amazon headwater region of South America and to parts of the Caribbean. The plant can reach 5 m in length. Only the tuber is safe to eat. Leaves, stems, roots, ripe pods, and seeds can be toxic to humans.
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