Lupinus argenteus var. hillii |
Lupinus argenteus var. fulvomaculatus |
|
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Habit | Herbs to 3 dm, hairs inconspicuous and forwardly appressed to spreading. | Herbs 1–10 dm, glabrous or pubescent. |
Stems | branched. |
branched. |
Leaves | usually cauline, basal leaves usually absent at flowering, if present then petioles less than 3 times as long as leaflets; leaflet blades narrow and folded, oblanceolate or elliptic-oblanceolate, surfaces gray or silvery-pubescent. |
usually cauline, basal leaves usually absent at flowering, if present then petioles less than 3 times as long as leaflets; leaflet blades flat, oblanceolate, surfaces glabrous or pubescent adaxially. |
Pedicels | (1–)2–5(–6) mm. |
1–2.5 mm. |
Flowers | 6–8 mm; calyx bulge 0–1 mm; corolla blue-purple, wings 5.5–7 mm, banner equaling wings, usually thinly strigulose abaxially. |
6–8 mm; calyx bulge 0–1 mm; corolla pale blue with brown banner patch, banner glabrous or hairy abaxially. |
2n | = 48. |
= 48. |
Lupinus argenteus var. hillii |
Lupinus argenteus var. fulvomaculatus |
|
Phenology | Flowering Jun–Sep. | Flowering Jun–Aug. |
Habitat | Ponderosa pine forest, upper edge of pinyon-juniper woodlands. | Cool, moist mountain meadows, stream banks, lakeshores, forests. |
Elevation | 2000–2800 m. (6600–9200 ft.) | 2000–3600 m. (6600–11800 ft.) |
Distribution |
AZ; CO; NM; NV; UT |
AZ; CO; NM; UT |
Discussion | Variety hillii is the small-flowered form that occurs in the Southwest in which the flowers are budlike and scarcely gaping. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety fulvomaculatus is known from the Abajo and La Sal mountains in southeastern Utah, mountainous Colorado, in the Santa Fe National Forest and vicinity in New Mexico, and in northeastern Apache County, Arizona, where it is rare. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. hillii, L. hillii var. osterhoutianus, L. ingratus var. arizonicus, L. marcusianus, L. osterhoutianus | L. fulvomaculatus, L. ingratus |
Name authority | (Greene) Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 246. (1989) | (Payson) Barneby: Great Basin Naturalist 46: 257. (1986) |
Web links |