Calycoseris wrightii

A cichoriid aster flowering in the spring at low elevations in the Sonoran Desert and less commonly in the Chihuahuan Desert, similar to Rafinesquia neomexicana but with tack-shaped glandular hairs on the phyllaries and upper stems.

A pseudanthium in the Sand Tank Mountains, 8 Mar 2008.

Side view of a pseudanthium in the Sand Tank Mountains, showing the tack-shaped hairs, 8 Mar 2008.

Plant habit in the Sand Tank Mountains, 8 Mar 2008.

Plant habit in the Sand Tank Mountains, 8 Mar 2008.