Lupinus shockleyi |
Lupinus pratensis |
|
---|---|---|
desert lupine, purple desert lupine, Shockley lupine |
Inyo Meadow lupine |
|
Habit | Herbs, annual, 0.4–3 dm, canescent, hairs 0.6–1 mm. | Herbs, perennial, 3–7 dm, green, hairy. |
Stems | erect or ascending, very short, tufted or spreading, branched. |
erect, unbranched or branched distally, hollow. |
Leaves | cauline, crowded near base; stipules well developed; petiole 2–9 cm; leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous. |
basal and cauline, green; stipules 5–20 mm; basal petioles 10–25 cm, cauline 1–4 cm; leaflets 5–10, blades 30–80(–130) × 5–8 mm, adaxial surface strigose, hairs less than 1 mm. |
Racemes | several–many-flowered, 3–14 cm; flowers spirally arranged. |
5–28 cm, usually exceeding leaves; flowers dense. |
Peduncles | 1–10 cm; bracts persistent, straight, 2–4 mm. |
4–17 cm; bracts persistent, 5–10 mm. |
Pedicels | 1–4 mm. |
1–3 mm. |
Flowers | 4.5–7 mm; calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft; corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous. |
10–12 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–6 mm, adaxial lobe 2-toothed, 4–7 mm; corolla violet to dark blue, banner patch orange to red, banner usually glabrous abaxially, rarely hairy, lower keel margins glabrous, adaxial margin densely ciliate. |
Legumes | undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying. |
1.5–2 cm, hairy to woolly. |
Cotyledons | persistent, disclike, sessile. |
deciduous, petiolate. |
Seeds | 2, wrinkled. |
4–6, brown, mottled tan, 3–4 mm. |
Lupinus shockleyi |
Lupinus pratensis |
|
Phenology | Flowering spring (Apr–Jun). | Flowering May–Sep. |
Habitat | Dunes, sandy areas, washes, playas. | Meadows, stream banks, sagebrush scrub to subalpine forests. |
Elevation | 0–1500 m. (0–4900 ft.) | 2000–3500 m. (6600–11500 ft.) |
Distribution |
AZ; CA; NV
|
CA
|
Discussion | Lupinus shockleyi occurs in the desert areas of southern California, adjacent areas of southern Nevada, and northwestern Arizona. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus pratensis is known from the southern Sierra Nevada in Fresno, Inyo, Mono, and Tulare counties. Plants from Big Pine Creek in Inyo County with banners that are hairy abaxially have been called var. eriostachyus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Faboideae > Lupinus | Fabaceae > subfam. Faboideae > Lupinus |
Sibling taxa | ||
Synonyms | L. pratensis var. eriostachyus, L. sellulus var. elatus | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 22: 470. (1887) | A. Heller: Muhlenbergia 2: 210. (1906) |
Web links |