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Photo is of parent taxon
Photo is of parent taxon

rusty lupine

Racemes

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

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

Peduncles

usually 1–3.5 cm.

usually 1–3.5 cm.

Pedicels

glabrous.

strigose.

Flowers

7–12 mm, relative large;

calyx tube glabrous.

7–12 mm, relatively large;

calyx tube strigose.

2n

= 48.

Lupinus pusillus var. rubens

Lupinus pusillus var. pusillus

Phenology Flowering spring–early summer. Flowering spring–early sum­mer.
Habitat Open, sandy areas. Open, sandy areas.
Elevation 700–1800 m. (2300–5900 ft.) 800–2100 m. (2600–6900 ft.)
Distribution
from FNA
AZ; NV; UT
[BONAP county map]
from FNA
AZ; CO; KS; MT; NE; NM; OK; UT; WY; AB; SK
[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. pusillus
L. pusillus var. intermontanus, L. pusillus var. rubens
Synonyms L. rubens, L. odoratus var. rubens, L. pusillus subsp. rubens
Name authority (Rydberg) S. L. Welsh: Great Basin Naturalist 38: 331. (1978) unknown
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