[Deervetch, Birdsfoot-trefoil and Lotus: The Genera Acmispon, Hosackia and Lotus West of the Cascade Mts. of Oregon and Washington]

Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil

Hosackia pinnata

Synonyms: Lotus bicolor, Lotus pinnatus

Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

Bog deervetch observed at a small creek crossing of the Pacific Crest Trail #2000 between Cook and Green Pass and Echo Lake, Klamath National Forest......July 14, 2020.

Close-up of the inflorescence of Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows a close-up of the inflorescence of bog deervetch as seen in a riparian area east of the Mt. Adams Highway at the southeastern corner of Mt. Adams........May 13, 2007.

Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows bog deervetch as seen in a riparian area east of the Mt. Adams Highway at the southeastern corner of Mt. Adams.........May 13, 2007.

Close-up sideview of the flower of Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows a close-up of a flower of bog deervetch as seen as seen in a riparian area along the Yakima-Klickitat county line at the southeastern corner of Mt. Adams.........May 29, 2006. Note the banner which is sharply reflexed backwards and the narrow base of both the banner and keel. The tips of both the wings are paddle-shaped and white in color.

Leaf of Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows a close-up of a leaf of bog deervetch.

Fruit of Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows a close-up of the long, cylindrical fruit of bog deervetch as seen in a vernally moist area along Road K1000 to the east of the Mt. Adams Highway........June 17, 2006.

Inflorescence of Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows another close-up of the inflorescence of bog deervetch as seen as seen in a riparian area along the Yakima-Klickitat county line at the southeastern corner of Mt. Adams........May 29, 2006.

Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus)

The photo above shows a mass of bog deervetch as seen growing along a vernal stream at the Klickitat Canyon NRCA to the east of Mt. Adams........June 22, 2008.

Paul Slichter