Flora of North America species comparison

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Lupinus sulphureus var. sulphureus
Photo is of parent taxon

sulphur lupine
Leaves

leaflet blade surfaces abaxially hairy-strigulose, adaxially strigose-silky to sparsely hairy or glabrous.
Racemes

(5–)12–20 cm.
Peduncles

3–5 cm.
Corollas

usually pale sulfur yellow, sometimes white to bluish.
2n

= 48.

Lupinus sulphureus var. sulphureus
Distribution
Discussion

Flowers Apr–Aug. Prairies, sagebrush scrub, open conifer forests; 50–3000 m; B.C.; Idaho, Mont., Oreg., Wash.

Variety sulphureus is known from British Columbia southward along the eastern edge of the Cascades in Washington and northeastern Oregon, eastward to Idaho and Montana. It may be found along the Columbia River to the Willamette River Valley and into southwestern Washington.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus > Lupinus sulphureus
Sibling taxa
L. sulphureus var. bingenensis
Synonyms L. sulphureus var. applegateianus, L. sulphureus var. echlerianus
Name authority unknown
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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