Kalmar “genus” tana nufin nau’in rarrabuwar halittu da ke haɗa nau’o’in jinsin da ke da alaƙa da juna. Ya ƙunshi nau'i biyu: Romneya coulteri, wanda aka fi sani da Coulter's matilija poppy ko giant streamer poppy, da Romneya trichocalyx, wanda kuma aka sani da bush poppy. Wadannan tsire-tsire na asali ne a California da Baja California, Mexico. An san su da manyan furanni masu ban sha'awa da furanni masu ban sha'awa.