Lupinus albifrons var. austromontanus |
Lupinus albifrons var. albifrons |
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silver bush lupine, silver lupine, white-leaf lupine |
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Habit | Herbs or subshrubs, herbaceous toward base, 2–5 dm, usually silver-hairy. | Shrubs, 5–50 dm, usually with distinct trunk, green to silvery. |
Leaves | silver-hairy; petiole 4–15 cm. |
silver-silky; petiole 2–5 cm. |
Racemes | 14–40 cm. |
8–30 cm. |
Inflorescence | bracts 8–9 mm. |
bracts 4–8 mm. |
Flowers | 14–18 mm. |
10–14 mm. |
Lupinus albifrons var. austromontanus |
Lupinus albifrons var. albifrons |
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Phenology | Flowering May–Jul. | Flowering Mar–Jun. |
Habitat | Dry slopes, upper chaparral and yellow pine forests. | Chaparral, foothill woodlands. |
Elevation | 1000–3000 m. (3300–9800 ft.) | 0–1500 m. (0–4900 ft.) |
Distribution |
CA; Mexico (n Baja California) |
CA; OR |
Discussion | Variety austromontanus is known from the Tehachapi Mountains southward to northern Baja California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety albifrons is known from much of coastal California, the Sierra Nevada Foothills, and southern Oregon (cismontane). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. austromontanus, L. excubitus subsp. austromontanus, L. excubitus var. austromontanus | L. albifrons var. eminens, L. albifrons var. fissicalyx, L. brittonii, L. eminens, L. fissicalyx, L. fragrans |
Name authority | Jepson: Fl. Calif. 2: 252. (1936) | unknown |
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