Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Range Description

Lupinus argenteus occurs in the United States and Canada.
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Source: IUCN

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Physical Description

Morphology

Physical Description

Perennial, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules adnate to petiole, Leaves compound, Leaves palmately 5-11 foliate, Leaf or leaflet margins entire, Leaflets 5-9, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence terminal, Bracts conspicuously pre sent, Bracts very small, absent or caducous, Bracteoles present, Flowers zygomorphic, Calyx 5-lobed, Calyx 2-lipped or 2-lobed, Calyx gibbous, inflated, or spurred, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals blue, lavander to purple, or violet, Banner petal ovoid or obovate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Stamens 9-10, Stamens or anthers dimorphic, alternating large and small, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit internally septate between the seeds, Fruit hairy, Fruit 3-10 seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black, Seed surface mottled or patchy.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Type Information

Isotype for Lupinus helleri Greene
Catalog Number: US 306514
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): A. A. Heller & E. G. Heller
Year Collected: 1897
Locality: One mi SE of Santa Fe., Santa Fe, New Mexico, United States, North America
Elevation (m): 2256 to 2256
  • Isotype: Greene, E. L. 1900. Pittonia. 4: 134.
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Source: National Museum of Natural History Collections

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
L. argenteus is a perennial shrub which grows abundantly in alpine meadows and pine forests. L. argenteus is pollinated almost exclusively by several species of ,iBombus (bumble bee).

Systems
  • Terrestrial
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Associations

In Great Britain and/or Ireland:
Foodplant / parasite
Erysiphe trifolii var. intermedia parasitises Lupinus argenteus

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Lupinus argenteus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Lupinus argenteus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 4
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N3 - Vulnerable

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Widespread throughout western North America, element found in montane forests and sagebrush scrub communities (Hickman 1993).

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IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Contu, S.

Reviewer/s
Hilton-Taylor, C.

Contributor/s

Justification
Lupinus argenteus is widespread and common in its natural range and there are no major known threats to the species at present, hence it is rated as Least Concern.
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Population

Population
The species is widespread in its natural range and always recorded as common in alpine meadows and pine forests.

Population Trend
Stable
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Threats

Major Threats
There are no major known threats to this species at present.
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Management

Conservation Actions

Conservation Actions
There are no known conservation measures specifically for L. argenteus, but the species is currently known to occur in many protected areas. Samples of seed of L. argenteus are stored in the Millennium Seed Bank as an ex situ conservation measure. The species has been rated as Globally Secure (G5) from Nature Serve (2009), which is equivalent to IUCN category Least Concern.
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Wikipedia

Lupinus argenteus

Lupinus argenteus is a species of lupine known by the common name silvery lupine. It is native to much of western North America from the southwestern Canadian provinces to the southwestern and midwestern United States, where it grows in several types of habitat, including sagebrush, grassland, and forests. This is a perennial herb growing erect to heights anywhere between 10 centimeters and 1.5 meters. It is sometimes silvery-hairy in texture and sometimes nearly hairless. Each palmate leaf is made up of 5 to 9 leaflets each up to 6 centimeters long. They are narrow and linear in shape, under a centimeter wide. The inflorescence bears many flowers, sometimes arranged in whorls. The flower is 5 to 14 millimeters long and purple, blue, or whitish in color. The banner, or upper petal, of the flower may have a patch of white or yellow. The fruit is a hairy legume pod up to 3 centimeters long containing several beanlike seeds.

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