[Peavines and Vetchlings: The Genus Lathyrus in the Cascade Mountains of Oregon and Washington]

Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine, Thick-leaved Peavine

Lathyrus lanszwertii var. aridus

Synonym: Lathyrus lanszwertii ssp. aridus

Flowers of Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus)

Nevada peavine as seen at a DNR rock quarry at about 4100' abreast a ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams.........May 29, 2005. Plants on Mt. Adams are erect, rather than lax, and often lack tendrils at the leaf apex.

Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus) - Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus)

Nevada peavine as seen along the School Canyon Trail #468 at a burn about half way between the trailhead and Ball Point, Badger Creek Wilderness.........May15, 2015.


LEaf and tendril of Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus) - Leaf and tendril of Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus)

The long, narrow leaflets, short tendril and diminutive flowers of thick-leaved peavine as seen at a DNR rock quarry at about 4100' abreast a ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams........May 29, 2005. Many of the leaves of this species at this site and others on Mt. Adams either have a very short, bristle-like tendril or lack the tendrils all together.

Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus) - Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus)

Thick-leaved peavine as seen along the Lowder Mountain Trail, Three Sisters Wilderness.........June 23, 2018.

Dryland Nevada Pea, Nevada Peavine, Pinewoods Peavine, Thick-leaved Peavine: Lathyrus lanszwertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus)

Thick-leaved peavine observed along the Fifteenmile Creek Trail #456 within a quarter of a mile of the trailhead at Fifteenmile Creek Campground, Mt. Hood National Forest.....June 27, 2023.

Paul Slichter