Lupinus brevicaulis |
Lupinus uncialis |
|
---|---|---|
sand lupine, short stem blue lupine, short-stem lupine |
inch high lupine, lilliput lupine |
|
Habit | Herbs, annual, usually less than 1 dm, pubescent, hairs more than 1 mm. | Herbs, annual, 0.1–0.2 dm, pilose. |
Stems | very short, tufted, branched. |
very short, densely tufted, 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, densely tufted or crowded near base; free blades of stipules reduced, 1 mm; petiole 0.4–1.5 cm; leaflets (3 or)5, blades 2–7 × 1–1.5 mm, adaxial surface villous. |
Racemes | dense, 3–16-flowered, 1–8 cm; flowers spirally arranged, crowded. |
flowers solitary or paired, axillary. |
Peduncles | 1–8(–10) cm; bracts persistent, straight, 2–3 mm. |
1.5–4 mm; bracts persistent, 1 mm. |
Pedicels | 0.3–1.5 mm. |
1 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. |
4–5 mm; calyx 2.5–3 mm, abaxial lobe shallowly cleft, 2–2.5 mm, adaxial lobe 2-toothed, 0.5–1 mm; corolla banner white, wings and keel purplish, keel glabrous. |
Legumes | not undulate, 1 cm, thinly pilose to coarsely hirsute. |
0.6–1 cm, pilose. |
Cotyledons | persistent, disclike, sessile. |
persistent, disclike, sessile. |
Seeds | 1 or 2, smooth. |
1 or 2. |
Lupinus brevicaulis |
Lupinus uncialis |
|
Phenology | Flowering spring. | Flowering spring (May–Jun). |
Habitat | Sandy washes, open areas, grasslands, pinyon pine-juniper forests, creosote bush scrub, mesquite. | Open areas, barrens, talus in sagebrush and pinyon-juniper woodlands, on limestone, rhyolite, volcanic ash and sinter around hot springs. |
Elevation | 300–2400 m. (1000–7900 ft.) | 1400–2400 m. (4600–7900 ft.) |
Distribution |
AZ; CA; CO; NM; NV; OR; UT; WY; Mexico (Chihuahua, Sonora)
|
CA; ID; NV; OR
|
Discussion | Lupinus brevicaulis resembles L. flavoculatus except that its flowers are smaller. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus uncialis occurs in the Great Basin of Nevada and extends into California, Idaho, and Oregon. (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. uncialis var. cryptanthus | |
Name authority | S. Watson: Botany (Fortieth Parallel), 53, plate 7, figs. 1–4. (1871) | S. Watson: Botany (Fortieth Parallel), 54, plate 7, figs. 5–10. (1871) |
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