Lupinus lepidus var. cusickii |
Lupinus lepidus var. ashlandensis |
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Cusick's lupine |
Mt. Ashland lupine |
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Habit | Herbs 5(–10) cm, canescent, taprooted. | Herbs 7–12 cm, hairs long-dense, appressed, silvery. |
Stems | ascending-erect, several from taproot, profusely branched at base, elongated stem internode 1–3 cm. |
absent. |
Leaves | basal and cauline; leaflet blades 10–25 mm, surfaces hairy. |
basal; leaflet blades 10–20 mm, surfaces with long, dense, silvery-appressed hairs. |
Racemes | 2–10 cm, not exserted beyond leaves, or only partially so, loose. |
3–8 cm (not including peduncle), slightly exceeding leaves, dense. |
Peduncles | 1–6 cm (together with racemes 2–10 cm); bract 2–3.5 mm. |
(3–)5–7.5 cm; bracts 5 mm. |
Pedicels | 2.5–4 mm. |
1 mm. |
Flowers | in 6–9 whorls, 7–10 mm; corolla bluish, banner not or scarcely recurved, 2.5–3 mm wide. |
in 9–13 whorls, 9–12 mm; calyx abaxial lobe 2–3 mm, adaxial lobe 5 mm; corolla blue-violet. |
Legumes | 7–11 mm, pubescent. |
|
Seeds | 2–4. |
|
2n | = 48. |
= 48. |
Lupinus lepidus var. cusickii |
Lupinus lepidus var. ashlandensis |
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Phenology | Flowering Jul. | Flowering Jun–Aug. |
Habitat | Barren tuffaceous or gravelly clay bluffs and gullied riverbanks, usually associated with junipers, sagebrush, and Eriogonum. | Alpine slopes. |
Elevation | 1300–1500 m. (4300–4900 ft.) | 2100–2300 m. (6900–7500 ft.) |
Distribution |
ID; OR |
OR |
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 ashlandensis is known only from Mount Ashland in the Siskiyou Mountains of Jackson County. (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. aridus subsp. ashlandensis |
Name authority | (S. Watson) C. L. Hitchcock in C. L. Hitchcock et al.: Vasc. Pl. Pacif. N.W. 3: 315. (1961) | (B. J. Cox) Isely: Native Natural. Legum. U.S., 705. (1998) |
Web links |