Cosmos
Cosmos parviflorus

Family: Sunflower (Asteraceae)
AKA: Southwestern Cosmos
Photo taken on: September 1, 2009
Location: Quemazon, Los Alamos, NM
Life Zones: Plains and foothills
Habitat: Disturbed sandy soil, roadsides

Grows to 2 ½ft high with a slender shape and very dissected leaves. Flower is about ½" across.

Flora of North America reference.