Lathyrus nevadensis
purple peavine, Sierra Nevada pea, Sierra Nevada sweet pea, Sierra pea, Sierra peavine
angled, erect, sprawling, or climbing, basally branched 0–several times, 1–6 dm.
2–10 cm;
tendrils mucronate (less than 1 cm) to well developed;
stipules linear, 5–25 × 1–8 mm, much smaller than leaflets;
leaflets 4–12, usually scattered, blades broadly ovate to lanceolate or linear, (17–)20–110 × 2–30(–37) mm, surfaces usually glabrous, rarely finely pubescent.
2–10-flowered, 3–15 cm.
12–22 mm;
calyx lobes unequal, lateral lobes deltate, usually shorter than tube;
corolla blue-purple to pink-purple or white, banner erect, blade longer than claw, wings equal to keel;
ovary glabrous.
20–30(–45) × 5–10 mm.
Lathyrus nevadensis
Varieties 3 (3 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Corollas blue-purple to pink-purple; British Columbia, California, w Oregon, w, c Washington. | var. nevadensis |
1. Corollas white; ne Oregon, e Washington, adjacent Idaho. | → 2 |
2. Leaves 4–10 cm; leaflets 6–10; tendrils well developed; flowers 5–10, 12–18 mm. | var. parkeri |
2. Leaves 2–5 cm; leaflets 4 or 6; tendrils reduced to bristles, (usually less than 1 cm); flowers 2–4, 18–22 mm. | var. cusickii |
BC
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
