Flora of North America species comparison

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Lupinus pusillus var. pusillus

Lupinus pusillus var. intermontanus
Photo is of parent taxon

rusty lupine
Photo is of parent taxon

intermontane lupine, intermountain lupine, low lupine, rusty lupine
Racemes

2–11 cm, equal to or longer than foliage.

2–5 cm, usually shorter than foliage.
Peduncles

usually 1–3.5 cm.

0–1 cm.
Pedicels

strigose.

strigose.
Flowers

7–12 mm, relatively large;

calyx tube strigose.

6–8 mm;

calyx tube strigose.
2n

= 48.

Lupinus pusillus var. pusillus

Lupinus pusillus var. intermontanus
Phenology Flowering spring–early sum­mer. Flowering spring—early summer.
Habitat Open, sandy areas. Open sandy areas.
Elevation 800–2100 m. (2600–6900 ft.) 1100–1800 m. (3600–5900 ft.)
Distribution
from FNA
AZ; CO; KS; MT; NE; NM; OK; UT; WY; AB; SK
[BONAP county map]
from FNA
CA; ID; NV; OR; WA; WY
[BONAP county map]
Discussion

In Arizona, var. pusillus is known across the northern part of the state where it may be locally common.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus > Lupinus pusillus Fabaceae > subfam. Faboideae > Lupinus > Lupinus pusillus
Sibling taxa
L. pusillus var. intermontanus, L. pusillus var. rubens
L. pusillus var. pusillus, L. pusillus var. rubens
Synonyms L. intermontanus, L. pusillus var. intermontanus, L. pusillus subsp. intermontanus
Name authority unknown (A. Heller) C. P. Smith: Bull. Torrey Bot. Club 46: 408. (1919)
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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