ʻO ke ʻano o ka mea kanu he lau nahele makahiki, 20-80cm ke kiʻekiʻe, he ʻala ko ka mea kanu holoʻokoʻa. Kū pololei nā kumu, pinepine i loko o nā puʻupuʻu, a huluhulu iki. ʻEkolu lau hui i hoʻololi ʻia; he loloa ovate a i ʻole ovate-lanceolate nā lobules, 1-3.5cm ka lōʻihi, 0.5-1.5cm ka laulā, pilose iki ma nā ʻaoʻao ʻelua; lōʻihi ka petiole, pili ka stipule a me ka petiole. Sessile nā ​​pua, 1-2 axillary; ʻano paipu calyx; corolla butterfly-shaped, keʻokeʻo, melemele māmā mālie, poni iki ma ke kumu; stamens 10, disomy; ovary linear, slender pod, cylindrical pālahalaha, Piʻo iki, 6-11cm ka lōʻihi, 0.5cm ka laulā, me nā veins reticulate a me ka pilose, nuku lōʻihi ma ka wēlau. He 10-20 nā hua, ʻeleʻele a ʻala. ʻO ka wā pua mai ʻApelila a Iune, ʻo ka wā hua mai Iulai a ʻAukake.

Nui ka mahiʻai. Hana nui ʻia ma Anhui, Sichuan a me Henan.

A oʻo ka hua, ʻoki ʻia ka mauʻu holoʻokoʻa, waiho ʻia nā hua, a hoʻomaloʻo ʻia nā hua. No ka hoʻohana maka a i ʻole ka palai iki ʻana.

"ʻAno" He ʻano ʻē iki nā hua, me ka lōʻihi o 3-5mm, ka laulā o 2-3mm, a me ka mānoanoa o kahi 2mm. He melemele-ʻeleʻele a ʻulaʻula paha ka ʻili, me nā lauoho pōkole hina iki, a he ʻauwaha hohonu ʻē ma kēlā me kēia ʻaoʻao, a ʻo ka piko kahi e hui ai nā ʻauwaha ʻelua. ʻAno paʻakikī. ʻAla, ʻawaʻawa iki ka ʻono.