Lupinus brevicaulis |
Lupinus duranii |
|
---|---|---|
sand lupine, short stem blue lupine, short-stem lupine |
Mono Lake lupine |
|
Habit | Herbs, annual, usually less than 1 dm, pubescent, hairs more than 1 mm. | Herbs, perennial, 0.5–1.2 dm, robust, tufted, shaggy. |
Stems | very short, tufted, branched. |
erect, 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. |
basal; stipules 6–11 mm; petiole (2–)3–6(–8) cm; leaflets 5–8, blades 5–20 × 5–8 mm, adaxial surface pubescent. |
Racemes | dense, 3–16-flowered, 1–8 cm; flowers spirally arranged, crowded. |
crowded, 2–6 cm; flowers whorled. |
Peduncles | 1–8(–10) cm; bracts persistent, straight, 2–3 mm. |
3–7 cm; bracts ± deciduous, 4–5 mm. |
Pedicels | 0.3–1.5 mm. |
(2–)4–5 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. |
8–11 mm; calyx bulge or spur 0–1 mm, abaxial lobe ± entire, 6–7 mm, adaxial lobe deeply 2-toothed, 5–7 mm; corolla violet, banner patch cream or white, keel ± straight, banner glabrous abaxially, lower keel margins glabrous, adaxial margin usually glabrous. |
Legumes | not undulate, 1 cm, thinly pilose to coarsely hirsute. |
1–2 cm, appressed-villous. |
Cotyledons | persistent, disclike, sessile. |
deciduous, petiolate. |
Seeds | 1 or 2, smooth. |
3–5, white. |
Lupinus brevicaulis |
Lupinus duranii |
|
Phenology | Flowering spring. | Flowering May–Aug. |
Habitat | Sandy washes, open areas, grasslands, pinyon pine-juniper forests, creosote bush scrub, mesquite. | Dry volcanic pumice, gravel, Great Basin scrub, subalpine and montane coniferous forests. |
Elevation | 300–2400 m. (1000–7900 ft.) | 2000–3000 m. (6600–9800 ft.) |
Distribution |
AZ; CA; CO; NM; NV; OR; UT; WY; Mexico (Chihuahua, Sonora)
|
CA
|
Discussion | Lupinus brevicaulis resembles L. flavoculatus except that its flowers are smaller. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus duranii is known only from the eastern Sierra Nevada in Mono County. Reports of it from Madera County are questionable. (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. tegeticulatus var. duranii | |
Name authority | S. Watson: Botany (Fortieth Parallel), 53, plate 7, figs. 1–4. (1871) | Eastwood: Leafl. W. Bot. 2: 251. (1940) — (as durani) |
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