[Deervetch and Trefoils: The Genera Acmispon, Hosackia and Lotus in Mt. Adams Country]

Big Deervetch, Thick-leaf Deervetch

Hosackia crassifolia var. crassifolia

Synonym: Lotus crassifolius var. crassifolius

Fruits and leaves of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius) - Fruits of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius)

Cose-up images of the upper stem, compound leaves and seed pods of big deervetch as seen along Laurel Road just to the north of Kreps lane at the southeastern corner of Mt. Adams........July 28, 2006.

Flower of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius)

The photo above shows a close-up of the flower of big deervetch as seen along Laurel Road to the north of Kreps Lane and at the NW corner of Conboy Lake NWR........July 2, 2007. Note the glabrous calyx tube with short, triangular lobes and the narrow bases of each petal.

Inflorescence of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius)

The photo above shows a close-up of the raceme of big deervetch as seen along Laurel Road to the north of Kreps Lane to the NW of Conboy Lake NWR..........July 2, 2007. Note that the flowers are all turned to one side of the raceme.

Pinnately compound leaf of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius)

The photo above shows a close-up of a pinnately compound stem leaf of bog deervetch..........July 28, 2006.

Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius) - Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius)

Two views showing the upper stems, leaves and flower clusters of big deervetch as seen along Laurel Road to the north of Kreps Lane and NW of Conboy Lake NWR..........July 2, 2007.

Maturing fruits of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius) - Maturing fruits of Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius)

Two close views of the maturing fruits of big deervetch as seen in open oak woodlands east of Canyon Creek at the Klickitat Wildlife Area.........July 2, 2023.

Paul Slichter