Flora of North America species comparison

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Lathyrus lanszwertii var. leucanthus
Photo is of parent taxon

Nevada pea
Stems

erect, 1–3 dm.
Leaves

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

3–5 cm.
Flowers

10–15 mm, corolla white.
2n

= 28.

Lathyrus lanszwertii var. leucanthus
Phenology Flowering Apr–Jun.
Habitat In sagebrush, openings in pine, oak, and aspen woodlands.
Elevation 2000–3200 m. (6600–10500 ft.)
Distribution
from FNA
AZ; CO; NM; UT; WY
[BONAP county map]
Discussion

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.
Parent taxa Fabaceae > subfam. Faboideae > Lathyrus > Lathyrus lanszwertii
Sibling taxa
L. lanszwertii var. aridus, L. lanszwertii var. bijugatus, L. lanszwertii var. lanszwertii, L. lanszwertii var. pallescens
Synonyms L. leucanthus, L. arizonicus, L. lanszwertii var. arizonicus
Name authority (Rydberg) Dorn: Vasc. Pl. Wyoming, 171, 297. (1988)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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