Ephedra americana Humb. & Bonpl. ex Willd., Sp. Pl. 4: 860 1806. (Syn: Ephedra americana var. humboldtii Stapf; Ephedra peruviana Bertero ex Carr.);

Occurs in western South America from Ecuador to northwestern Argentina. Recorded at high elevations (1,500 – 4,100 m).

Found in shrubby grasslands or scrub to semi-desert. Often associated with cacti on dry rocky slopes and hills or on sandy/clayey soils.
(From  IUCN Red List (LC) on 16.12.13)


Ephedra americana photographed from University of California Botanical Garden.

Thanks for sharing the Ephedra images.

The plant division Gnetophyta consists of 3 genera

Gnetum : Family Gnetaceae

Welwitschia : Family Welwitschiaceae

Ephedra : Family Ephedraceae

Very beautiful images Sir…
If I could gather correctly, both the pics belong to male plant laden with staminate strobili…
Thanks … for additional information….