mucuna
/mjuːˈkjuːnə/noun
1- a tropical climbing bean plant油麻藤, 黧豆。
1.1
- Genus Mucuna, family Leguminosae: many species, especially the velvet bean, M. deeringiana, and M. pruriens, grown as a fodder plant and green manure.油麻藤属（或藤豆属）, 豆科：多种, 尤指黧豆、虎爪豆和刺毛黧豆, 常种作饲料和绿肥。
词源
mid 19th cent.: via Portuguese from Tupi mucunán.