Vascular Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Asclepias subverticillata (Gray) Vail
(Poison Milkweed, Horsetail Milkweed)
Family: Asclepiadaceae
Status: Native
Synonyms:
Asclepias galioides of numerous American authors
Asclepias subverticillata is a widespread lower elevation milkweed that sometimes forms large stands.
The leaves are narrowly lanceolate. The flowers are terminal and axillary and white. The follicles
are relatively small.
Please click on an image for a larger file.

Asclepias subverticillata, photo Russ Kleinman, Burro Mtns., Mangas Cyn. Rd., June 17, 2007

Asclepias subverticillata, detail of inflorescence, photo Russ Kleinman, Burro Mtns., Mangas Cyn. Rd., June 17, 2007

Asclepias subverticillata, follicles, photo Russ Kleinman & Bill Norris, Silver City, Oct. 28, 2007

Asclepias subverticillata, closeup of flowers, photo Russ Kleinman, Burro Mtns., Mangas Springs, July 1, 2009

Asclepias subverticillata, closeup of flowers, photo Russ Kleinman, Saliz Mtns., June 29, 2009

Asclepias subverticillata, follicles, photo Russ Kleinman, Richard Felger & Leith Young, Fort Bayard Medical Center grounds, October 25, 2009

Asclepias subverticillata, follicle, photo Russ Kleinman, Richard Felger & Leith Young, Fort Bayard Medical Center grounds, October 25, 2009
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