Flora of North America species comparison

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Lupinus argenteus var. hillii

Lupinus argenteus var. meionanthus
Photo is of parent taxon
Photo is of parent taxon

Lake Tahoe lupine
Habit Herbs to 3 dm, hairs inconspicuous and forwardly appressed to spreading. Herbs 2–5(–9) dm, hairs forwardly appressed, silvery.
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.

cauline;

leaflet blades narrow and folded, oblanceolate or elliptic-oblanceolate, surfaces appressed-silvery to gray-green.
Pedicels

(1–)2–5(–6) mm.

2–3 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.

5–6(–7) mm;

calyx bulge 0–1 mm, but not elongated into a spur;

corolla dull blue to lilac, banner patch yellow, wings 5–6 mm, banner glabrous abaxially.
2n

= 48.

= 48.

Lupinus argenteus var. hillii

Lupinus argenteus var. meionanthus
Phenology Flowering Jun–Sep. Flowering Jul–Aug.
Habitat Ponderosa pine forest, upper edge of pinyon-juniper woodlands. Dry banks, red fir and lodgepole pine forests, sagebrush scrub.
Elevation 2000–2800 m. (6600–9200 ft.) 1500–3500 m. (4900–11500 ft.)
Distribution
from FNA
AZ; CO; NM; NV; UT
from FNA
CA; NV
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 meionanthus is known from the Sierra Nevada in California to adjacent western Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus > Lupinus argenteus Fabaceae > subfam. Faboideae > Lupinus > Lupinus argenteus
Sibling taxa
L. argenteus var. argentatus, L. argenteus var. argenteus, L. argenteus var. argophyllus, L. argenteus var. fulvomaculatus, L. argenteus var. heteranthus, L. argenteus var. holosericeus, L. argenteus var. meionanthus, L. argenteus var. moabensis, L. argenteus var. montigenus, L. argenteus var. palmeri, L. argenteus var. parviflorus, L. argenteus var. rubricaulis, L. argenteus var. utahensis
L. argenteus var. argentatus, L. argenteus var. argenteus, L. argenteus var. argophyllus, L. argenteus var. fulvomaculatus, L. argenteus var. heteranthus, L. argenteus var. hillii, L. argenteus var. holosericeus, L. argenteus var. moabensis, L. argenteus var. montigenus, L. argenteus var. palmeri, L. argenteus var. parviflorus, L. argenteus var. rubricaulis, L. argenteus var. utahensis
Synonyms L. hillii, L. hillii var. osterhoutianus, L. ingratus var. arizonicus, L. marcusianus, L. osterhoutianus L. meionanthus
Name authority (Greene) Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 246. (1989) (A. Gray) Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 246. (1989)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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