Hartweg's Sundrops
Calylophus hartwegii
Found on a rocky slope adjacent to Peppersauce Canyon, Sta. Catalina Mts., Pinal Co., Arizona. April 2012.
FLOWERS: Four large, showy, yellow petals with a distinct texture. Eight
stamens. Unopened buds with orange tint. Blooming is mostly in mid to late
spring depending on elevation and spring rain events.
LEAVES: The leaves are lance shape and with uneven margins.
RANGE: This flower is characteristic of slopes to the east of Arizona and
is sporadic on rocky slopes here. Through its range there are a number of
varieties and named subspecies.
PERENNIAL HERB: Survives season to season within a subterranean crown.
FRUIT: Dry capsules with four sides develop below the flower petals.
UNARMED