Galium stellatum Kellogg
A shrubby Galium found in rocky areas of the Sonoran Desert and Mojave Desert.
Plant habit near Waterman Peak in the Waterman Mountains, Pima County, Arizona, 23 Feb 2014.
A flowering branch near Waterman Peak, 23 Feb 2014.
Flowers near Waterman Peak, 23 Feb 2014.
More flowers near Waterman Peak, 23 Feb 2014.