Scanning electron microscope photographs of epidermal cells in Oxytropis DC. A adaxial epidermall cells of O. kansuensis B–D abaxial epidermall cells of O. kansuensis E–G adaxial epidermall cells of O. melanocalyx H–J abaxial epidermall cells of O. melanocalyx K–M adaxial epidermall cells of O. taochensis N–P abaxial epidermall cells of O. taochensis Q–S adaxial epidermall cells of O. ochrocephala (HZ) T–V abaxial epidermall cells of O. ochrocephala (HZ) W–X adaxial epidermall cells of O. ochrocephala (XLS).