Kalmar "cleistocarp" suna kuma tana nufin wani nau'in 'ya'yan itace da wasu tsire-tsire suke samarwa, kamar violets da gyada. An samo shi daga kalmomin Helenanci "kleistos" ma'ana rufaffiyar, da "karpos" ma'ana 'ya'yan itace.Cleistocarp ƙaramin 'ya'yan itace ne rufaffiyar da ke da kansa kuma baya buƙatar pollination. An kafa shi a ƙarƙashin ƙasa ko a cikin rufaffiyar fure kuma ya ƙunshi iri ɗaya ko fiye. Ana samar da Cleistocarps sau da yawa ban da sabbin 'ya'yan itacen da aka fi sani da buɗaɗɗiya, masu ban sha'awa na shuka kuma suna aiki azaman hanyar tabbatar da haifuwa idan babu masu pollinators masu dacewa ko yanayin muhalli.