Corydalis solida wani nau'in tsiro ne a cikin dangin Papaveraceae, ɗan asalin Turai da Asiya. An fi saninsa da "rock harlequin" ko "spring corydalis". Itacen yakan girma zuwa tsayin 20-30 cm, tare da rarrabuwar ganye da launin ruwan hoda ko furanni masu launin shuɗi. A cikin magungunan gargajiya, an yi amfani da shuka don magance cututtuka iri-iri, ciki har da ciwo, kumburi, da matsalolin numfashi.