[Vetches: The Genus Vicia East of the Cascade Mountains of Oregon and Washington]

Slender Vetch, Smooth Tare

Vicia tetrasperma

Synonym: Vicia tetrasperma var. tenuissima

Slender Vetch, Smooth Tare: Vicia tetrasperma (Synonym: Vicia tetrasperma var. tenuissima)

Slender vetch in bloom and also with smooth surfaced fruits along the Stubblefield Trail about a mile northwest of Stubblefield Lake, Turnbull National Wildlife Refuge......July 4, 2018. Note the miniature flowers and fruits with glabrous surfaces.
Paul Slichter