Plant morphology herb yegore, 20-80cm yakakwirira, chirimwa chose chine kunhuhwirira. Madzinde akamira, kazhinji ari masumbu, uye ane mvere shoma. Mashizha matatu emusanganiswa anochinjana; lobules akareba ovate kana ovate-lanceolate, 1-3.5cm kureba, 0.5-1.5cm yakafara, zvishoma pilose kumativi ose maviri; petiole yakareba, stipule uye petiole zvakabatana. Maruva sessile, 1-2 axillary; calyx tube-shaped; corolla butterfly-shaped, chena, zvishoma nezvishoma chiedza chero, zvishoma ruvara rwepepuru pazasi; stameni 10, dimy; ovary linear, slender pod, flat cylindrical, Curved zvishoma, 6-11cm kureba, 0.5cm yakafara, ine reticulate tsinga uye pilose, refu muromo kumuromo. Mbeu dzacho 10-20, brown uye kunhuhwirira. Nguva yemaruva kubva munaApril kusvika munaJune, fruiting nguva kubva munaJuly kusvika August.

Kurimwa kwakawanda. Inonyanya kubudiswa muAnhui, Sichuan neHenan.

Kana muchero wakura, uswa hwose hunochekwa, mhodzi dzinoiswa, uye mhodzi dzinoomeswa. Yekushandisa mbishi kana kuti yakakangwa zvishoma.

"Unhu" Mbeu dzakatsvuka zvishoma, dzine urefu hwe 3-5mm, hupamhi hwe 2-3mm, uye hurefu hunosvika 2mm. Kumusoro kune yero-ruvara rwebrown kana kutsvuka-ruvara, nemvere pfumbu mapfupi zvishoma, uye kune yakadzika oblique groove kudivi rimwe nerimwe, uye guvhu inzvimbo inosangana mikororo miviri. Hunhu hwakaoma. Inonhuhwirira, inovava zvishoma.