Fourwing Saltbush
Atriplex canescens

Family: Amaranth (Amaranthaceae)
AKA: Chico, Chamisco
Photo taken on: June 8, 2009
Location: White Rock, NM
Life Zones: Plains to foothills
Habitat: Sandy, rocky areas

A shrub growing to 5ft wide and 5ft high. Male and female flowers are on separate plants. Tiny flowers can be inconspicuous, unless there has been good moisture, as shown here. Female flowers are yellow, male are greenish-white. 

Leaves are narrow and grayish. It is the winged seeds that are noticed. Initially green, they turn yellow, then tan.

Photo taken on: September 26, 2008
Location: Cotopaxi, CO

Flora of North America reference.