Lupinus argenteus var. fulvomaculatus |
Lupinus argenteus var. hillii |
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Habit | Herbs 1–10 dm, glabrous or pubescent. | Herbs to 3 dm, hairs inconspicuous and forwardly appressed to spreading. |
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 flat, oblanceolate, surfaces glabrous or pubescent adaxially. |
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. |
Pedicels | 1–2.5 mm. |
(1–)2–5(–6) mm. |
Flowers | 6–8 mm; calyx bulge 0–1 mm; corolla pale blue with brown banner patch, banner glabrous or hairy abaxially. |
6–8 mm; calyx bulge 0–1 mm; corolla blue-purple, wings 5.5–7 mm, banner equaling wings, usually thinly strigulose abaxially. |
2n | = 48. |
= 48. |
Lupinus argenteus var. fulvomaculatus |
Lupinus argenteus var. hillii |
|
Phenology | Flowering Jun–Aug. | Flowering Jun–Sep. |
Habitat | Cool, moist mountain meadows, stream banks, lakeshores, forests. | Ponderosa pine forest, upper edge of pinyon-juniper woodlands. |
Elevation | 2000–3600 m. (6600–11800 ft.) | 2000–2800 m. (6600–9200 ft.) |
Distribution |
AZ; CO; NM; UT |
AZ; CO; NM; NV; UT |
Discussion | 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.) |
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.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. fulvomaculatus, L. ingratus | L. hillii, L. hillii var. osterhoutianus, L. ingratus var. arizonicus, L. marcusianus, L. osterhoutianus |
Name authority | (Payson) Barneby: Great Basin Naturalist 46: 257. (1986) | (Greene) Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 246. (1989) |
Web links |