Botanical name: Mucuna monosperma Family: Fabaceae (Pea family)
Synonyms: Stizolobium rugosum
Negro Bean is a large climber with young branches covered with rusty velvety hairs. Leaves are trifoliate, with leaflets that are 7-10 cm long, ovate-oblong. Flowers are borne in 6-12 flowered hanging racemes, 10-20 cm long, in leaf axils. Sepal cup is green, covered with bristles which can irritate the skin. Flowers are 3-4 cm, purple, opening at night and closing by morning. Pods are very interesting to look at. They are 5-8 cm long, winged on margin, plaited on the face, covered with brown irritant bristles. Negro Bean is native to Eastern Himalayas and Western Ghats. Flowering: November-December.
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The flower labeled Negro Bean is ...