Lathyrus nevadensis, the Sierra pea or purple peavine, is a perennial herb with erect to climbing stems, native to the forests and clearings of western North America from British Columbia to northern California and as far east as Idaho.

Lathyrus nevadensis
Flowers
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Lathyrus
Species:
L. nevadensis
Binomial name
Lathyrus nevadensis

Description

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The Lathyrus nevadensis plant is a trailer or weak climber vine, supported by tendrils, growing to 1.0 m-3 feet tall. The leaves are pinnate, with 4 to 10 leaflets and a straight, unbranched tendrils at the apex of the petiole. Its flowers are hermaphroditic, pollinated by bees. The plant can also spread vegetatively from creeping rhizomes.

Varieties

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The species Lathryus parkeri (H.St.John), named after Charles S. Parker, was merged into Lathyrus nevadensis as var. parkeri. (H.St.John) C.L.Hitchc.[1] [2]

References

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  1. ^ Hitchc, C L (1952). "Lathyrus nevadensis var. parkeri (H.St.John)". Univ. Wash. Publ. Biol. 15: 45.
  2. ^ "Lathyrus parkeri St.John". The Plant List. Retrieved July 7, 2020.
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  Media related to Lathyrus nevadensis at Wikimedia Commons