Centranthus shine jinsin tsire-tsire na furanni a cikin dangin Caprifoliaceae, wanda aka fi sani da valerians ko ja valerians. Sunan Centranthus ya samo asali ne daga kalmomin Helenanci "kentron" ma'ana "spur" da "anthos" ma'ana "flower", yana nufin siffar furanni. Waɗannan tsire-tsire na asali ne daga Turai, Asiya, da Afirka kuma an san su da gungu na ƙananan furanni masu launin furanni waɗanda ke jan hankalin malam buɗe ido da sauran masu pollinators. Mafi yawan nau'in da ake nomawa shine Centranthus ruber, wanda ke samar da furanni ruwan hoda, ja, ko farare kuma galibi ana girma a matsayin kayan ado na lambu.