Flora of North America species comparison

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Lathyrus lanszwertii var. lanszwertii
Photo is of parent taxon

lanszwert's pea, Nevada pea, thick-leaf peavine
Stems

sprawling or climbing, 4–8 dm.
Leaves

5–8 cm, terminating in well-developed, usually branched tendril;

leaflets 8–10, blades usually lanceolate, rarely linear, 30–70 × 5–20 mm.
Inflorescences

3–9 cm.
Flowers

10–15 mm, corolla blue-purple, banner retuse to shallowly cordate.
2n

= 14, 28.

Lathyrus lanszwertii var. lanszwertii
Phenology Flowering Mar–Jun.
Habitat Parkland, thickets, sagebrush, juniper, pine, and aspen woodlands.
Elevation 900–3100 m. (3000–10200 ft.)
Distribution
from FNA
CA; CO; ID; NV; OR; UT; WA; WY
[BONAP county map]
Discussion

Variety lanszwertii is found in northern California, western Colorado, central Idaho, western Nevada, eastern Oregon, the Wasatch Mountains of northeastern Utah, southeastern Washington, and north-central Wyoming.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lathyrus > Lathyrus lanszwertii
Sibling taxa
L. lanszwertii var. aridus, L. lanszwertii var. bijugatus, L. lanszwertii var. leucanthus, L. lanszwertii var. pallescens
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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