“Genus Phalaris” ba kalma ba ce illa kalmar kimiyya da ake amfani da ita wajen yin nuni ga rukunin tsirrai a cikin dangin ciyawa (Poaceae) wanda ya hada da nau’in ciyawa da aka fi sani da ciyawa ko ciyawa. Kalmar “genus” tana nufin matsayi na haraji da aka yi amfani da shi a cikin rarrabuwar halittu wanda ke haɗa nau'ikan da ke da alaƙa. Don haka, “genus Phalaris” kawai yana nufin rukunin tsire-tsire waɗanda ke raba halayen da ke ayyana wannan ƙayyadaddun halittar.