Plantain na kowa (Plantago major) wani nau'in tsiro ne na ciyawa wanda ya samo asali ne daga Turai amma an bullo da shi kuma ya zama halitta a sauran sassan duniya. Yana cikin dangin plantain (Plantaginaceae) kuma an san shi da faɗin ganye masu siffa mai siffar kwai waɗanda ke girma a cikin tsarin fure kusa da ƙasa. Itacen yana samar da ƙananan furanni masu launin kore-launin ruwan kasa a kan dogayen kusoshi waɗanda suka tashi sama da ganyen. A wasu al'adu, ana amfani da shukar don magani, kuma a wasu lokuta ana cin ganyenta azaman kayan lambu.