White tackstem

Calycoseris wrightii

''Calycoseris wrightii'', commonly known as white tackstem, is an annual spring wildflower, one of two species in the genus ''Calycoseris''; the other species is ''C. parryi'', the Yellow tack-stem. They are part of the sunflower family.

White tackstem is found in the southwestern United States and northwestern Mexico in California, Nevada, southwestern Utah , New Mexico, Arizona, northern Baja California, Sonora, western Texas ..

''Calycoseris wrightii'' is a white daisy-like flower up to more than 2.0 inches across; when it grows supported amongst other plants it can be more than 45 cm tall. It has one easy distinguishing feature: the closed outside of the ray florets contain two linear purple stripes-). It is a spring wildflower found in the desert regions and is plentiful after winter rains. It grows up to 4000 ft elevation.