Evolvulus arizonicus, Arizona blue eyes, wild Arizona morning glory
Ipomoea longifolia, the long-leaved, or pink-throated morning glory. Coronado National Memorial, AZ.
Bouvardia glaberrima in the Rubiaceae at Coronado Peak, July 2018.
Cholla cactus flower, Cylindropuntia imbricata, Tucson Mountain Park