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.Biota of North America Program 2014 county distribution map
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.Flora of North America, Grindelia scabra Greene, 1898.
Varieties Grindelia subalpina var. erecta — endemic to Colorado and Wyoming.USDA: Grindelia subalpina var. erecta Grindelia subalpina var. subalpina USDA: Grindelia subalpina var. subalpina
References
External links USDA Plants Profile for Grindelia subalpina (subalpine gumweed) Isotype of Grindelia erecta (syn of Grindelia subalpina); Missouri Botanical Garden herbarium specimen (photo) — collected in Wyoming in 1898.