A flower, southeast of Tyrone on the road to the Grant County Airport, Grant Co., New Mexico, 19 Sep 2009.
Plant habit, southeast of Tyrone on the road to the Grant County Airport, Grant Co., New Mexico, 19 Sep 2009.
An inflorescence with immature fruit, southeast of Tyron, 19 Sep 2009.
Prickly calyx around an immature fruit, southeast of Tyrone, 19 Sep 2009.
A flowering stem, southeast of Tyrone, 19 Sep 2009.
Dried prickly calyces on a dead plant on the east side of Flat Lake, Doña Ana Co., New Mexico, 10 Feb 2007.
Looking inside the dry calyces, east side of Flat Lake, 10 Feb 2007.
Dead plant habit, east side of Flat Lake, 10 Feb 2007.