Kalmar "Clitoria Genus" tana nufin rukuni na tsire-tsire a cikin dangin legume, Fabaceae, waɗanda suke da asali ga yankuna masu zafi da na wurare masu zafi. Tsire-tsire a cikin wannan nau'in suna da kyan gani, furanni masu kama da fis da ganyen fili. Sunan "Clitoria" ya samo asali ne daga kalmar Latin "clitoris," wanda ke nufin "karami, tudu ko gangara," dangane da siffar nau'in nau'in shuka. Mafi sanannun nau'in jinsin wannan nau'in shine Clitoria ternatea, wanda kuma ake kira butterfly pea ko blue pea, wanda aka fi amfani da shi a maganin gargajiya kuma a matsayin rini na halitta.