[Peavines East of the Cascade Mountains. of Oregon and Washington]

Nevada Pea, Sierra Pea, Sierran Peavine

Lathyrus nevadensis var. nevadensis

Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii

Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

A close-up of the inflorescence of Nevada pea as seen in bloom at the Hells Canyon Overlook, Hells Canyon National Recreation Area.....June 11, 2018.

Close-up sideview of the flower of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

The upper three photos of Sierran peavine on this page were photographed 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.

Frontal view of the flowers of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

Note that the tip of the keel is as long as the wings. The similar american vetch (Vicia americana) has a keel which is much shorter than the wings.

Inflorescence and pinnately compound leaf of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

The photo above shows a close-up of the flowers and pinnately compound leaf of Sierran peavine. The flowers are aobut 20 mm long. Photographed at about 4100' atop the ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams.......June 13, 2005.

Brush-like tip of the style of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

The photo above shows the tip of the style with the brush-like hairs at its tip oriented on only one side, a characteristic of the genus Lathyrus. The tip of the style in the similar genus Vicia has hairs oriented in all directions like a bottlebrush.

View of the keel of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

The photo above shows a close-up of the flower of Sierran peavine. Note the keel which is about as long as the wings. Photographed at about 4100' atop the ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams........June 13, 2005.

Close-up sideview of the flower of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii) - Close-up of the banner of Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

Close-up images of a side-view and frontal view of the flower of Sierran peavine. The flowers are aobut 20 mm long. Photographed at about 4100' atop the ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams.......June 13, 2005.


Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii) - Nevada Pea, Sierra Pea, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonyms: Lathyrus lanceolatus, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nevadensis ssp. lanceolatus var. nuttallii, Lathyrus nevadensis ssp. lanceolatus var. pilosellus, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis var. pilosellus, Lathyrus nuttallii)

Sierran peavine as photographed in Brooks Memorial State Park near Satus Pass, Washington..........May 11, 2014.

Paul Slichter