Lupinus lepidus var. lepidus
Lupinus lepidus var. aridus
dwarf lupine, Pacific lupine
dry ground lupine, prairie lupine
erect.
loosely tufted, subacaulescent or shortly caulescent, rarely branched.
usually basal;
leaflet blades 5–40 × 3–7 mm, adaxial surface pubescent.
appearing basal;
leaflet blades (13–)15–28(–35) mm.
8–13 cm, exserted beyond leaves, ± dense, flowers whorled.
3.5–20(–25) cm, usually partially exserted from leaves.
(2–)4.5–13 cm;
bracts persistent, 4–15 mm.
0–4(–8) cm;
bracts 6–9 mm.
1–3 mm.
stout, 1–2.5(–3) mm.
in 9–11 whorls, 10–14 mm;
corolla blue.
in 6–14 whorls, 7–12.5 mm;
corolla pale blue or blue to blue-purple, banner recurved, reflexed, 3+ mm wide, wings (7–)8–12.5 mm.
3–6, 2–3 mm.
= 48.
Lupinus lepidus var. lepidus
Lupinus lepidus var. aridus
Variety lepidus was historically present throughout much of the Willamette Valley; it has been extirpated from much of its range and is probably now only present in Oregon at a few sites (K. A. Weitemier 2010).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Variety aridus is found widely scattered over southeastern Oregon, southwestern Idaho, southward in Nevada to Washoe, Nye, and Lincoln counties, eastward into adjacent Iron and Washington counties in Utah, and northward in the Columbia Basin in Oregon and Washington; it is reported in northwestern Arizona and is rarely found in eastern California in Mono County.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
- Local floras:
OR, 
WA - Local Web sites:
Flora NW, 
PNW Herbaria, Turner Photog. 
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