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Photo is of parent taxon

Cusick's pea, Cusick's sweet pea, Sierra Nevada pea

Stems

erect to sprawling, 2–4 dm.

Leaves

2–5 cm;

tendrils reduced to bristles, usually less than 1 cm;

leaflets (2 or)4 or 6, blades ovate-lanceolate or linear.

Inflorescences

2–4-flowered.

Flowers

18–22 mm;

corolla white.

Lathyrus nevadensis var. cusickii

Phenology Flowering Apr–Jun.
Habitat Open, coniferous forests.
Elevation 100–1800 m. (300–5900 ft.)
Distribution
from FNA
ID; OR; WA
[BONAP county map]
Discussion

Variety cusickii includes two distinct races: one with ovate to lanceolate leaflets and the other with linear leaflets. Plants from an intermediate population have been collected in Umatilla County, Oregon.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lathyrus > Lathyrus nevadensis
Sibling taxa
L. nevadensis var. nevadensis, L. nevadensis var. parkeri
Synonyms L. cusickii, L. nevadensis subsp. cusickii
Name authority (S. Watson) Broich: Madroño 54: 64. (2007)
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