Kalmar "Lady's Smock" tana nufin nau'in furen daji wanda kuma aka sani da Cuckooflower. Sunan kimiyya shine Cardamine pratensis, kuma nasa ne na dangin mustard. Furen yawanci launin ruwan hoda ko lilac ne kuma yana da furanni huɗu. Ana samun shi a cikin ciyayi mai dausayi, marshes, da dausayi a ko'ina cikin Turai, Asiya, da Arewacin Amurka. Sunan "Lady's Smock" mai yiwuwa ya samo asali ne daga yadda mata sukan yi amfani da shuka don yin wani nau'i na smock ko chemise.