Plant habit on Otero Mesa, Otero County, New Mexico, 20 Aug 2013.
Flowers on Otero Mesa, 20 Aug 2013.
Flowers on Otero Mesa, 20 Aug 2013.
Flowers on Range Road 7 mile 23, White Sands Missile Range, Doña Ana County, New Mexico, 14 May 2010.
Flowers on White Sands Missile Range, 14 May 2010.
Plant habit on White Sands Missile Range, 14 May 2010.
A cauline leaf on White Sands Missile Range, 14 May 2010.
Plant habit on the Dog Canyon Trail, Big Bend National Park, 16 Apr 2007.
A flower on the Dog Canyon Trail, 16 Apr 2007.
Stems, Dog Canyon Trail, 16 Apr 2007.
Immature fruit on the Dog Canyon Trail at Big Bend National Park, 16 Apr 2007.