Lupinus peirsonii |
Lupinus nevadensis |
|
---|---|---|
long lupine, Peirson's lupine |
Nevada lupine |
|
Habit | Herbs, perennial, 3–6 dm, silver-silky. | Herbs, perennial, 1–4 dm, long-hairy. |
Stems | erect, branched from just above ground. |
erect, tufted, unbranched. |
Leaves | cauline, clustered at base, ± fleshy; stipules 15–20 mm; petiole 2–15 cm; leaflets 5–8, blades widely oblanceolate, 25–70 × 10–30 mm, surfaces silver-silky. |
basal and cauline; stipules 8–10 mm; basal petioles to 14 cm, cauline to 4 cm; leaflets 6–10, blades 20–50 × 4–6 mm, adaxial surface pubescent. |
Racemes | 1–1.5 cm; flowers ± whorled. |
5–17 cm; flowers spirally arranged. |
Peduncles | 1–2.5 cm; bracts deciduous, 5–7 mm. |
3–6 cm; bracts deciduous, 4–5 mm. |
Pedicels | 1–2 mm. |
4–8 mm. |
Flowers | 10–12 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–7 mm, adaxial lobe obscurely 2-toothed, 4–6 mm; corolla yellow, banner usually hairy abaxially, lower keel margins glabrous, adaxial margin ciliate middle to tip. |
10–12 mm; calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 4–5 mm, adaxial lobe 2-toothed, 3–4 mm; corolla blue, banner patch white to yellowish, banner glabrous abaxially, keel strongly upcurved, lower keel margins glabrous, adaxial margin ciliate. |
Legumes | 3–4 cm, silky. |
2.5–4 cm, densely hairy. |
Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
Seeds | 3–5. |
3–4. |
Lupinus peirsonii |
Lupinus nevadensis |
|
Phenology | Flowering Apr–Jun. | Flowering Apr–Aug. |
Habitat | Gravelly or rocky areas, Joshua tree woodland, montane coniferous forests, pinyon and juniper woodlands. | Hillsides, valleys, with sage-brush, Great Basin scrub, pinyon-juniper woodlands. |
Elevation | 1000–2500 m. (3300–8200 ft.) | 1000–3000 m. (3300–9800 ft.) |
Distribution |
CA
|
CA; NV; OR
|
Discussion | Lupinus peirsonii is known only from the San Gabriel Mountains in Los Angeles County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus nevadensis is found in Lassen, Mono, and northern Inyo counties in eastern California, Washoe County southward to Mineral County in western Nevada, and Harney County in southern Oregon. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Name authority | H. Mason: Madroño 1: 187. (1928) — (as peirsoni) | A. Heller: Muhlenbergia 6: 107, fig. 17. (1910) |
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