Lupinus lepidus var. cusickii |
Lupinus lepidus var. lepidus |
|
---|---|---|
Cusick's lupine |
dwarf lupine, Pacific lupine |
|
Habit | Herbs 5(–10) cm, canescent, taprooted. | Herbs 20–40 cm, sericeous. |
Stems | ascending-erect, several from taproot, profusely branched at base, elongated stem internode 1–3 cm. |
erect. |
Leaves | basal and cauline; leaflet blades 10–25 mm, surfaces hairy. |
usually basal; leaflet blades 5–40 × 3–7 mm, adaxial surface pubescent. |
Racemes | 2–10 cm, not exserted beyond leaves, or only partially so, loose. |
8–13 cm, exserted beyond leaves, ± dense, flowers whorled. |
Peduncles | 1–6 cm (together with racemes 2–10 cm); bract 2–3.5 mm. |
(2–)4.5–13 cm; bracts persistent, 4–15 mm. |
Pedicels | 2.5–4 mm. |
1–3 mm. |
Flowers | in 6–9 whorls, 7–10 mm; corolla bluish, banner not or scarcely recurved, 2.5–3 mm wide. |
in 9–11 whorls, 10–14 mm; corolla blue. |
Seeds | 3–6, 2–3 mm. |
|
2n | = 48. |
|
Lupinus lepidus var. cusickii |
Lupinus lepidus var. lepidus |
|
Phenology | Flowering Jul. | Flowering Apr–Jul. |
Habitat | Barren tuffaceous or gravelly clay bluffs and gullied riverbanks, usually associated with junipers, sagebrush, and Eriogonum. | Open prairies, in sandy, gravelly soils. |
Elevation | 1300–1500 m. (4300–4900 ft.) | 30–500 m. (100–1600 ft.) |
Distribution |
ID; OR |
AK; OR; WA; AB; BC |
Discussion | Variety cusickii is known from a few populations near Unity in Baker County, Oregon (K. A. Weitemier 2010) and near Donnelly and McCall in Valley County, Idaho. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. cusickii, L. aridus var. cusickii, L. lepidus subsp. cusickii, L. longivallis | L. minimus |
Name authority | (S. Watson) C. L. Hitchcock in C. L. Hitchcock et al.: Vasc. Pl. Pacif. N.W. 3: 315. (1961) | unknown |
Web links |
|