Lupinus longifolius |
Lupinus arizonicus |
|
---|---|---|
long leaf bush lupine |
Arizona lupine |
|
Habit | Shrubs, 10–15 dm, usually greenish, soft-short-hairy. | Herbs, annual, 1–6 dm, with short-appressed and long, spreading hairs. |
Stems | erect, clustered, branched. |
erect, usually branched, sometimes unbranched. |
Leaves | cauline; stipules 5–14 mm; petiole 4–7(–10) cm; leaflets 5–10, blades 30–60 × 6–12 mm, adaxial surface pubescent. |
cauline; petiole 2–8 cm; leaflets 5–10, blades 10–40 × 4–12 mm, adaxial surface glabrous. |
Racemes | 20–45 cm; flowers ± whorled or not. |
6–30 cm; flowers spirally arranged or appearing ± whorled proximally. |
Peduncles | 5–12 cm; bracts deciduous, 4–11 mm. |
1–6 cm; bracts usually persistent, 4–8 mm. |
Pedicels | 5–10 mm. |
2–4 mm. |
Flowers | 12–18 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire, 10–15 mm, adaxial lobe 2-toothed, 8–10 mm; corolla violet to blue, banner patch yellowish to white or absent, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate middle to tip. |
7–10 mm; calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft; corolla banner and wings dark pink to magenta, drying blue-purple or whitish, banner spot yellowish, becoming darker magenta, lower keel margins ciliate near claw, upper margins glabrous. |
Legumes | dark, 4–6 cm, hairy. |
often secund, 1–2 cm, coarsely pubescent. |
Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
Seeds | 6–8, brownish to gray, 5–6 mm. |
4–6. |
2n | = 48. |
|
Lupinus longifolius |
Lupinus arizonicus |
|
Phenology | Flowering Apr–Jun. | Flowering spring. |
Habitat | Coastal sage scrub, chaparral, coastal bluffs, inland canyons. | Sandy washes, open areas. |
Elevation | 0–500 m. (0–1600 ft.) | 0–1100 m. (0–3600 ft.) |
Distribution |
CA; Mexico (Baja California)
|
AZ; CA; NV; Mexico (Baja California, Baja California Sur, Sonora)
|
Discussion | Lupinus longifolius occurs in southwestern California and adjacent Baja California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus arizonicus occurs in the eastern Mojave and Sonora deserts of southeastern California, southwestern Arizona, and southern Nevada, plus adjacent areas in northern Mexico. Robust plants have been named var. barbatulus. (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. chamissonis var. longifolius, L. albifrons var. longifolius, L. mollisifolius | L. concinnus var. arizonicus, L. arizonicus var. barbatulus, L. brevior, L. concinnus var. brevior, L. sparsiflorus var. arizonicus, L. sparsiflorus var. barbatulus |
Name authority | (S. Watson) Abrams: Fl. Los Angeles, 209. (1904) | (S. Watson) S. Watson: Proc. Amer. Acad. Arts 12: 250. (1877) |
Web links |