Sida abutifolia Mill.

A common, prostrate plant with long hairs on the stems, pedicels, & petioles and pubescence on both surfaces of the leaf blades. Found from southeastern California to central Texas.

Flower & leaf near La Cueva on the west side of the Organ Mountains, Doña Ana County, New Mexico, 7 Sep 06.

A flowering stem at Mars Canyon, west side of the Organ Mountains, 23 Sep 2006.

A flower at Owl Canyon, southwestern Florida Mountains, Luna County, New Mexico, 24 Aug 2008.

Leaves & flower buds at Owl Canyon, 24 Aug 2008.

A trailing stem at Owl Canyon, 24 Aug 2008.

Another flower at Owl Canyon, 24 Aug 2008.

A cauline leaf at Owl Canyon, 24 Aug 2008.

Plant habit at Owl Canyon, 24 Aug 2008. So far as I can tell, these plants are erect in their first year & trailing in subsequent years. The erect habit initially led me to mistake these for Sphaeralcea neomexicana, but these plants had annual-like root systems.