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Photo is of parent taxon

drypark pea, pinewood peavine, Sandberg's vetchling

Photo is of parent taxon

Nevada pea

Stems

erect, sprawling, or climbing, 2–4 dm.

erect, 1–3 dm.

Leaves

0.5–2 cm, terminating in simple bristle less than 1 cm;

leaflets 2–4, blades lanceolate or linear, 20–50 × 4–15 mm or 30–90 × 2–5 mm.

2–3 cm, terminating in simple bristle, less than 1 cm;

leaflets 4–6, blades lanceolate and 25–50 × 5–15 mm, or linear and 35–70 × 2–5 mm.

Inflorescences

2–3 cm.

3–5 cm.

Flowers

8–10 mm, corolla pink or blue.

10–15 mm, corolla white.

2n

= 28.

Lathyrus lanszwertii var. bijugatus

Lathyrus lanszwertii var. leucanthus

Phenology Flowering Apr–Jun. Flowering Apr–Jun.
Habitat Edges and openings of coniferous woodlands. In sagebrush, openings in pine, oak, and aspen woodlands.
Elevation 600–1600 m. (2000–5200 ft.) 2000–3200 m. (6600–10500 ft.)
Distribution
from FNA
ID; MT; WA; BC
[BONAP county map]
from FNA
AZ; CO; NM; UT; WY
[BONAP county map]
Discussion

Variety bijugatus, which is found from southern British Columbia to eastern Washington, northern Idaho, and western Montana, includes two distinct sympatric races: one with lanceolate leaflets (= L. bijugatus var. bijugatus in the sense of White), and one with linear leaflets (= L. bijugatus var. sandbergii).

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

Variety leucanthus includes two distinct sympatric races: one with lanceolate leaflets (= L. leucanthus), and one with linear leaflets (= L. arizonicus Britton).

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

Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lathyrus > Lathyrus lanszwertii Fabaceae > subfam. Faboideae > Lathyrus > Lathyrus lanszwertii
Sibling taxa
L. lanszwertii var. aridus, L. lanszwertii var. lanszwertii, L. lanszwertii var. leucanthus, L. lanszwertii var. pallescens
L. lanszwertii var. aridus, L. lanszwertii var. bijugatus, L. lanszwertii var. lanszwertii, L. lanszwertii var. pallescens
Synonyms L. bijugatus, L. bijugatus var. sandbergii L. leucanthus, L. arizonicus, L. lanszwertii var. arizonicus
Name authority (T. G. White) Broich: Madroño 54: 371. (2008) (Rydberg) Dorn: Vasc. Pl. Wyoming, 171, 297. (1988)
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