Carlowrightia linearifolia
A diffuse, shrubby acanth found in the US from southeastern Arizona to western Texas.
Flowers near the Achenback Canyon trailhead in the Organ Mountains, 18 Aug 2007.
Flowering stems near the Achenback Canyon trailhead, 18 Aug 2007.
Plant habit near the Achenback Canyon trailhead on the west side of the Organ Mountains, 18 Aug 2007.