Lupinus brevicaulis |
Lupinus sierrae-blancae |
|
---|---|---|
sand lupine, short stem blue lupine, short-stem lupine |
Sierra blanca lupine, White Mountain lupine |
|
Habit | Herbs, annual, usually less than 1 dm, pubescent, hairs more than 1 mm. | Herbs, perennial, 6.5–15.2 dm, appearing green and glabrous but finely and inconspicuously pubescent. |
Stems | very short, tufted, branched. |
erect, solitary, branched, robust, succulent, hirsutulous. |
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 6–9 mm; proximal petioles 5–7 cm, withering, distal ones 3.5–6.5 cm; leaflets 7–10, blades 30–95 × 5–13 mm, abaxial surface finely strigulose, adaxial surface glabrate, yellow-green or gray-green. |
Racemes | dense, 3–16-flowered, 1–8 cm; flowers spirally arranged, crowded. |
5–34 cm; flowers whorled or spirally arranged. |
Peduncles | 1–8(–10) cm; bracts persistent, straight, 2–3 mm. |
4–5 cm; bracts semi-deciduous, 5–7 mm. |
Pedicels | 0.3–1.5 mm. |
2–8(–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. |
10–14 mm; calyx abaxial lobe ± slightly gibbous, 9–15 mm, adaxial lobe slightly notched, 7–11 mm; corolla pale blue and whitish, banner with conspicuous darker spot, banner glabrous or hairy abaxially, keel falcate, often ± ciliolate distally. |
Legumes | not undulate, 1 cm, thinly pilose to coarsely hirsute. |
3.5 × 0.8–1 cm, hirsute. |
Cotyledons | persistent, disclike, sessile. |
deciduous, petiolate. |
Seeds | 1 or 2, smooth. |
5–7. |
2n | = 48. |
|
Lupinus brevicaulis |
Lupinus sierrae-blancae |
|
Phenology | Flowering spring. | Flowering Jun–Aug. |
Habitat | Sandy washes, open areas, grasslands, pinyon pine-juniper forests, creosote bush scrub, mesquite. | Meadows in pine or fir forests, roadsides. |
Elevation | 300–2400 m. (1000–7900 ft.) | 1800–3100 m. (5900–10200 ft.) |
Distribution |
AZ; CA; CO; NM; NV; OR; UT; WY; Mexico (Chihuahua, Sonora)
|
NM |
Discussion | Lupinus brevicaulis resembles L. flavoculatus except that its flowers are smaller. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus sierrae-blancae is known only from the Sierra Blanca and Sacramento Mountains in Lincoln and Otero counties. (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. aquilinus, L. laetus, L. sierrae-blancae subsp. aquilinus | |
Name authority | S. Watson: Botany (Fortieth Parallel), 53, plate 7, figs. 1–4. (1871) | Wooten & Standley: Contr. U.S. Natl. Herb. 16: 138. (1913) |
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