Sarcostemma cynanchoides Decne. subsp. hartwegii (Vail) R.W.Holm
This is a trailing plant of low desert with much narrower leaves than S. cynanchoides ssp. cynanchoides. It can be confused with S. crispum, see discussion under that species.
An inflorescence below Texas Canyon, eastern Organ Mountains, Doña Ana County, New Mexico, 15 May 2010.
An inflorescence near Tortugas Mountain, Doña Ana County, New Mexico, 25 Sep 2004.
Developing fruit with aphids, near Tortugas Mountain, 25 Sep 2004.
Plant habit near Tortugas Mountain, 25 Sep 2004.
Cauline leaves near Tortugas Mountain, 25 Sep 2004.