ʻO ka morphology kanu kahi lau nahele makahiki, 20-80cm ke kiʻekiʻe, he ʻala ka mea kanu holoʻokoʻa. Kūleʻa nā ʻōpuʻu, pinepine i loko o nā pūʻulu, a liʻiliʻi ka huluhulu. ʻEkolu lau hui pū ʻia; ʻO nā lobules he ovate lōʻihi a i ʻole ovate-lanceolate, 1-3.5cm ka lōʻihi, 0.5-1.5cm ākea, sparsely pilose ma nā ʻaoʻao ʻelua; lōʻihi ka petiole, pili ka stipule a me ka petiole. Sessile nā ​​pua, 1-2 axillary; ʻano ʻano puʻupuʻu calyx; ʻano ʻano pepeke corolla, keʻokeʻo, melemele māmā, poni iki ma ke kumu; stamens 10, disomy; ovary linear, slender pod, flat cylindrical, curved iki, 6-11cm lōʻihi, 0.5cm laula, me nā veins reticulate a me ka pilose, nuku lōʻihi ma ka piko. ʻO nā hua he 10-20, ʻeleʻele a ʻala. Ka wā pua mai ʻApelila a Iune, ka wā hua mai Iulai a ʻAukake.

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

Ke oʻo ka hua, ʻoki ʻia ka mauʻu holoʻokoʻa, waiho ʻia nā hua, a maloʻo nā hua. No ka hoʻohana maka a i ʻole ka hoʻohana ʻana i ka palai.

"Hōʻano" He oblique iki nā hua, me ka lōʻihi o 3-5mm, ka laulā o 2-3mm, a me ka mānoanoa o kahi 2mm. ʻO ka ʻili he melemele-ʻulaʻula a ʻulaʻula ʻulaʻula paha, me nā lauoho pōkole hina hina, a he ʻāwī oblique hohonu ma kēlā ʻaoʻao kēia ʻaoʻao, a ʻo ka piko kahi e hui ai nā awāwa ʻelua. ʻAno paʻakikī. ʻAʻala, ʻawaʻawa iki.