Flora of North America species comparison

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Lupinus argenteus var. holosericeus
Photo is of parent taxon

holo lupine, little-flower lupine, silky lupine
Habit Herbs 2–7 dm, densely silky throughout, hairs forwardly appressed.
Stems

branched or unbranched.
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 densely silky.
Pedicels

(1–)2–5(–6) mm.
Flowers

5–9 mm;

calyx bulge 0–1 mm;

corolla purplish blue, wings 5–7.5 mm, banner densely hairy abaxially, to middle or distally.
2n

= 48.

Lupinus argenteus var. holosericeus
Phenology Flowering Jun–Aug.
Habitat Dry, open places, sagebrush plains, low hills in the intermountain region, slopes and ridges of the Rocky Mountains.
Elevation 1500–3500 m. (4900–11500 ft.)
Distribution
from FNA
CO; ID; NV; OR; UT
Discussion

Variety holosericeus is known from the Ruby Mountains of northeastern Nevada through the middle and lower Snake River plains and Owyhee Desert in southern Idaho and adjacent Oregon, northern Nevada, western Colorado, and northeastern Utah.

This variety is close to var. utahensis, but the flowers are smaller, and the calyx is not spurred.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa 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. hillii, 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
Synonyms L. holosericeus, L. evermannii, L. stockii, L. summae
Name authority (Nuttall) Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 245. (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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