Kalmar “genus” tana nufin nau’in harajin da ake amfani da shi a ilimin halitta, wanda ya fi jinsin jinsi da ƙasa da iyali. Sunan "Arctium" ya fito ne daga kalmar Helenanci "arktos," ma'ana bear, kuma yana nufin nau'in nau'i na burrs da ke hade da gashin dabba, kamar na bear.A taƙaice. Kalmar "genus Arctium" tana nufin nau'in tsire-tsire a cikin tsarin haraji, wanda ya haɗa da nau'in da aka fi sani da burdock.