Flora of North America species comparison

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Lupinus sulphureus var. sulphureus

Lupinus sulphureus var. bingenensis
Photo is of parent taxon

sulphur lupine
Photo is of parent taxon

Bingen lupine
Leaves

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

leaflet blade surfaces ± equally strigulose or sericeous.
Racemes

(5–)12–20 cm.

7–10(–11) cm.
Peduncles

3–5 cm.

Corollas

usually pale sulfur yellow, sometimes white to bluish.

usually blue or purplish, rarely white, banner patch none or white.
2n

= 48.

= 48.

Lupinus sulphureus var. sulphureus

Lupinus sulphureus var. bingenensis
Phenology Flowering Apr–Aug.
Habitat Prairies, sagebrush scrub, open conifer forests.
Elevation 50–3000 m. (200–9800 ft.)
Distribution
from FNA
ID; MT; OR; WA; BC
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.)

Variety bingenensis is known from east of the Cascades in Oregon (along the Columbia River and in the Blue Mountains) and Washington, in south-central British Columbia from north of Obsidian and slightly eastward to the Webber Creek area (Olalla to Quilenchena), and eastward to Idaho and Montana. It is of conservation concern in British Columbia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus > Lupinus sulphureus Fabaceae > subfam. Faboideae > Lupinus > Lupinus sulphureus
Sibling taxa
L. sulphureus var. bingenensis
L. sulphureus var. sulphureus
Synonyms L. sulphureus var. applegateianus, L. sulphureus var. echlerianus L. bingenensis, L. bingenensis var. albus, L. bingenensis var. dubius, L. bingenensis var. roseus, L. bingenensis var. subsaccatus, L. leucopsis var. bingenensis, L. leucopsis var. dubius, L. leucopsis var. hendersonianus, L. leucopsis var. mollis, L. leucopsis var. shermanensis, L. mollis, L. ostiofluminis, L. sericeus var. egglestonianus, L. sulphureus subsp. subsaccatus, L. sulphureus var. subsaccatus
Name authority unknown (Suksdorf) Gandhi & Vincent: Phytoneuron 2019-41: 2. (2019)
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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