Lupinus brevicaulis |
Lupinus constancei |
|
---|---|---|
sand lupine, short stem blue lupine, short-stem lupine |
Lassics lupine, lassicus lupine, The Lassics lupine |
|
Habit | Herbs, annual, usually less than 1 dm, pubescent, hairs more than 1 mm. | Herbs, perennial, less than 1.5 dm, matted, long-shaggy-hairy. |
Stems | very short, tufted, branched. |
± prostrate, 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, clustered near base; stipules less than 6 mm; petiole 6–8(–14) cm; leaflets 6 or 7, blades 10–20 × 8–10 mm, adaxial surface pubescent. |
Racemes | dense, 3–16-flowered, 1–8 cm; flowers spirally arranged, crowded. |
dense, 3–5 cm, usually exceeding leaves; flowers whorled. |
Peduncles | 1–8(–10) cm; bracts persistent, straight, 2–3 mm. |
1.5–4 cm; bracts deciduous, 2.5–3 mm. |
Pedicels | 0.3–1.5 mm. |
1–4 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. |
8–12 mm, in 5–12 whorls; calyx bulge or spur 0–1 mm, abaxial lobe entire, 4–5 mm, adaxial lobe notched, 4–5 mm; corolla pink, banner patch light yellow, keel dark rose, white at claw, banner glabrous abaxially, strongly reflexed, lower keel margins glabrous, adaxial margin ciliate. |
Legumes | not undulate, 1 cm, thinly pilose to coarsely hirsute. |
1.5–2.5 cm, shaggy. |
Cotyledons | persistent, disclike, sessile. |
deciduous, petiolate. |
Seeds | 1 or 2, smooth. |
3–5, tan. |
Lupinus brevicaulis |
Lupinus constancei |
|
Phenology | Flowering spring. | Flowering Jul. |
Habitat | Sandy washes, open areas, grasslands, pinyon pine-juniper forests, creosote bush scrub, mesquite. | Serpentine barrens in openings of lower montane conifer forests. |
Elevation | 300–2400 m. (1000–7900 ft.) | 1500–2000 m. (4900–6600 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 constancei is known from only two populations in the Lassics Range (Inner North Coast Range) in southeastern Humboldt and northwestern Trinity counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. lepidus var. constancei | |
Name authority | S. Watson: Botany (Fortieth Parallel), 53, plate 7, figs. 1–4. (1871) | T. W. Nelson & J. P. Nelson: Brittonia 35: 180, fig. 1. (1983) |
Web links |