Potentilla gordonii

Potentilla gordonii, commonly known as Gordon's mousetail, is a species of flowering plant in the rose family. It is native to the mountain ranges of the western United States from California to Montana.

Description
Potentilla gordonii is a tuft-forming perennial plant which grows in rocky areas. It produces a clump of erect stems and tail-like leaves. Each leaf is a thick, rounded strip of small, green, lobed leaflets which overlap. The thin, naked stems reach 5–25 cm tall. They bear hairy, glandular inflorescences of clustered flowers. Each flower has five yellow-green triangular sepals and five tiny spoon-shaped yellow petals. In the mouth of the flower are five stamens and a few thready pistils.