Grindelia subalpina

Grindelia subalpina, the subalpine gumweed, is a North American species of flowering plants in the Astereae tribe of the family Asteraceae.

Distribution
The plant is native to the Rocky Mountains, in Wyoming, Colorado, and New Mexico.

It grows in open rocky or gravelly sites in the Rocky Mountains.

Description
Grindelia subalpina is a biennial, or perennial herb up to 60 cm (2 feet) tall.

The plant usually produces numerous flower heads in open branching arrays. Each head has 18-27 ray flowers, surrounding a large number of tiny disc flowers.

Varieties

 * Grindelia subalpina var. erecta — endemic to Colorado and Wyoming.
 * Grindelia subalpina var. subalpina