Echinocereus viridiflorus Engelm. var. cylindricus (Engelm.) Rümpler

One of the larger Echinocereus, readily identifiable when in flower.

Plant habit near Ladera Canyon, west side of the Organ Mountains, Doña Ana County, New Mexico, 6 Apr 2008.

Flowers near Ladera Canyon, 6 Apr 2008.

Plant habit at Dripping Springs on the west side of the Organ Mountains, Doña Ana County, New Mexico, 23 Apr 2004.

Closer view of a flower at Dripping Springs, 23 Apr 2004.

Plant habit, northern Franklin Mountains, El Paso County, Texas, 11 Mar 2006.