| a trailing, long-stemmed Asian vine, Vigna unguiculata sesquipedalis, of the legume family, having yellow or violet flowers and very long pods. |
| yard-long bean (yärd'lông', -lŏng') n. A type of cowpea (Vigna unguiculata subsp. sesquipedalis) native to southern Asia, having drooping fruits that reach up to a yard long. Also called asparagus bean. |
