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Lathyrus lanszwertii
Conservation status
Apparently Secure  (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Lathyrus
Species:	L. lanszwertii
Binomial name
Lathyrus lanszwertii Kellogg
Varieties
Lathyrus lanszwertii var. aridus (Piper) Jeps. Lathyrus lanszwertii var. arizonicus (Britton) S.L.Welsh Lathyrus lanszwertii var. bijugatus (T.G.White) Broich Lathyrus lanszwertii var. lanszwertii Lathyrus lanszwertii var. pallescens Barneby
Synonyms
List Lathyrus arizonicus Britton (1894) Lathyrus bijugatus T.G.White (1894) Lathyrus goldsteinae Eastw. (1905) Lathyrus coriaceus T.G.White (1894) Lathyrus leucanthus Rydb. (1901) Lathyrus oregonensis T.G.White (1894) Lathyrus sandbergii (T.G.White) Howell (1898)

Lathyrus lanszwertii is a species of sweet pea known by the common names Nevada sweet pea or peavine. It is found in western North America from California to Texas to British Columbia. It is a tender vining perennial which bears lavender, fuchsia, or white pea flowers, and pods containing inedible peas.

There is much variation among individuals of this species, and there are several distinct varieties:

• Lathyrus lanszwertii var. aridus - (Piper) Jeps.
• Lathyrus lanszwertii var. arizonicus (Britton) S.L.Welsh
• Lathyrus lanszwertii var. bijugatus (T.G.White) Broich
• Lathyrus lanszwertii var. lanszwertii
• Lathyrus lanszwertii var. pallescens Barneby

References

1. NatureServe (2024). "Lathyrus lanszwertii". Arlington, Virginia. Retrieved 2 July 2024.
2. "Lathyrus lanszwertii Kellogg". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 July 2024.
3. "Lathyrus lanszwertii var. aridus (Piper) Jeps". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 July 2024.
4. "Lathyrus lanszwertii var. arizonicus (Britton) S.L.Welsh". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 July 2024.
5. "Lathyrus lanszwertii var. bijugatus (T.G.White) Broich". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 July 2024.
6. "Lathyrus lanszwertii var. lanszwertii". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 July 2024.
7. ILDIS LegumeWeb
8. "Lathyrus lanszwertii Kellogg". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 21 March 2024.

External links

• Calflora Database: (Nevada pea)
• USDA Plants Profile
• Jepson Manual Treatment
• Data related to Lathyrus lanszwertii at Wikispecies

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• NatureServe apparently secure species
• Lathyrus
• Flora of the Western United States
• Flora of California
• Flora of the Sierra Nevada (United States)
• Plants described in 1863
• Fabeae stubs