Astragalus alpinus L.

Astragalus alpinus is a species of flowering plant in the legume family known by the common name alpine milkvetch. It has a circumpolar distribution, occurring throughout the upper latitudes of the Northern Hemisphere.

Distribution

It is widespread in Eurasia. In North America it occurs from Alaska to Newfoundland and as far south as Nevada and New Mexico.

Description

This plant is variable in appearance. In general, it is a perennial herb growing from a taproot and rhizome network topped with an underground caudex. The roots have nitrogen-fixing nodules. The aboveground stems are up to 30 centimetres (12 in) long and are mostly decumbent, forming a mat. The leaves are up to 15 centimetres (5+5⁄6 in) long and are made up of several pairs of leaflets each up to 2 centimetres (5⁄6 in) long. The inflorescence is a raceme of up to 30 flowers each about 1 centimetre (1⁄3 in) long. The flowers are purple or blue. The fruit is a legume pod up to 1.7 centimetres (2⁄3 in) long which contains seeds.

Astragalus alpinus - Wikipedia

Alpine Milkvetch (usda.gov)

https://youtu.be/owoQBuZn5h0?t=951