Kalmar "Oxalidaceae" tana nufin dangin tsire-tsire masu furanni, waɗanda aka fi sani da dangin zobo na itace. Iyalin sun haɗa da kusan nau'ikan ganye 900, shrubs, da ƙananan bishiyoyi, waɗanda aka rarraba a ko'ina cikin duniya, amma galibi ana samun su a yankuna masu zafi da na wurare masu zafi. Yawancin membobin wannan iyali suna da kayan abinci da ake ci, kuma ana amfani da wasu nau'ikan maganin gargajiya. Ganyen wasu nau'in na kunshe da sinadarin oxalic acid, wanda ke ba su dandano mai tsami kuma yana iya samun amfanin lafiyar jiki idan aka sha kadan.