Wildflowers of Southern Arizona
Hooker's Evening Primrose.
Evening Primrose (Onagraceae) family.
The flowers open late in the day and then close the following morning. The flowers are up to 3 inches (7.6 cm) across and have 4 broadly heart-shaped, yellow petals that turn a reddish orange color as they age and wilt. The flowers are followed by slender, green, 2 inch (5 cm) long seedpods. The leaves grow along the stems and are green and lanceolate or elliptical in shape. The stems are slender and upright, and the plants are tall and narrow.
This specimen was found within twenty feet of both a Tufted Evening Primrose and a Mustard Evening Primrose (under a shade tree) alongside the highway.
Santa Catalina Mountains.
Location: Shoulder of Catalina Highway at 4700 ft;
32.33874 N, -110.71193 W.
Notes: Widespread along highway and on mountain.
See SEINet Pictures and Description
See FireFly Forest Pictures and Description