Lupinus brevicaulis |
Lupinus longifolius |
|
---|---|---|
sand lupine, short stem blue lupine, short-stem lupine |
long leaf bush lupine |
|
Habit | Herbs, annual, usually less than 1 dm, pubescent, hairs more than 1 mm. | Shrubs, 10–15 dm, usually greenish, soft-short-hairy. |
Stems | very short, tufted, branched. |
erect, clustered, branched. |
Leaves | cauline, crowded near base; stipules well developed; petiole 1–6 cm; leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous. |
cauline; stipules 5–14 mm; petiole 4–7(–10) cm; leaflets 5–10, blades 30–60 × 6–12 mm, adaxial surface pubescent. |
Racemes | dense, 3–16-flowered, 1–8 cm; flowers spirally arranged, crowded. |
20–45 cm; flowers ± whorled or not. |
Peduncles | 1–8(–10) cm; bracts persistent, straight, 2–3 mm. |
5–12 cm; bracts deciduous, 4–11 mm. |
Pedicels | 0.3–1.5 mm. |
5–10 mm. |
Flowers | 6–8 mm; calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial; corolla bright blue, banner spot white or yellow, keel glabrous. |
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. |
Legumes | not undulate, 1 cm, thinly pilose to coarsely hirsute. |
dark, 4–6 cm, hairy. |
Cotyledons | persistent, disclike, sessile. |
deciduous, petiolate. |
Seeds | 1 or 2, smooth. |
6–8, brownish to gray, 5–6 mm. |
Lupinus brevicaulis |
Lupinus longifolius |
|
Phenology | Flowering spring. | Flowering Apr–Jun. |
Habitat | Sandy washes, open areas, grasslands, pinyon pine-juniper forests, creosote bush scrub, mesquite. | Coastal sage scrub, chaparral, coastal bluffs, inland canyons. |
Elevation | 300–2400 m. (1000–7900 ft.) | 0–500 m. (0–1600 ft.) |
Distribution |
AZ; CA; CO; NM; NV; OR; UT; WY; Mexico (Chihuahua, Sonora)
|
CA; Mexico (Baja California)
|
Discussion | Lupinus brevicaulis resembles L. flavoculatus except that its flowers are smaller. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus longifolius occurs in southwestern California and adjacent Baja California. (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 | |
Name authority | S. Watson: Botany (Fortieth Parallel), 53, plate 7, figs. 1–4. (1871) | (S. Watson) Abrams: Fl. Los Angeles, 209. (1904) |
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