Calylophus serrulatus
(Yellow Sundrops)
Family:
Onagraceae (Evening Primrose)
Yellow Sundrops can grow to a height of 2 to 3 feet. Leaves have small teeth on the margins. It is found on dry sites on the plains of eastern Colorado.
Compare to
Calylophus lavandulifolius
, which is a smaller plant with narrower leaves that lack teeth.
Vegetation zone:
Plains
Time of bloom:
May - July
Origin:
Native
Eastern Colorado Wildflowers
