Lupinus species

 DSC6797-Edit-2

Silvery Lupine (Lupinus argenteus)

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Scientific Name Lupinus argenteus USDA PLANTS Symbol
LUAR3
Common Name Silvery Lupine, Silver-stem Lupine ITIS Taxonomic Serial No.
503575
Family Fabaceae (Pea) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine, meadows and open areas, dry or moist, sandy, well-drained soils. Widespread.
Plant: Erect perennial to 2 feet tall, sometimes taller, single to several stems often with very small hairs. Spreads to form colonies.
Leaves: Palmately-divided leaves on long petioles with 5 to 9 leaflets, each narrowly linear to oblanceolate, up to 2 inches long.
Inflorescence: Many pea-like blue and white blossoms arranged in a raceme 4 to 8 inches long atop each stem, may be hairy. Raceme stem may be reddish.
References: Various.
Notes: Highly variable species in terms of height, leaf shape, hairiness, etc.
Colorado Status
Native
Scientific Name Lupinus caespitosus USDA PLANTS Symbol
LUCA3
Common Name Dwarf Lupine ITIS Taxonomic Serial No.
25980
Family Fabaceae (Pea) SEINet
Reference
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Description Life zones and habitat: Montain and subalpine.
Plant: Short perennial 2 to 6 inches tall growing in clumps.
Leaves: Palmately-dissected leaves with 5 to 9 leaflets, each oblong to lanceolate, less than 1 long, pointed, with silky hairs.
Inflorescence: Pea-like blue/purple and white blossoms arranged in a stemless raceme (spike) 1 or 2 inches long.
References: Descr. adapted from "New Manual Botany of the Central Rocky Mountains (Vascular Plants)" by John M. Coulter.
Colorado Status
Native
Scientific Name Lupinus parviflorus USDA PLANTS Symbol
LUPA8
Common Name Lodgepole Lupine ITIS Taxonomic Serial No.
26086
Family Fabaceae (Pea) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine.
Plant: Erect perennial to 32 inches tall, single stems, may be branched above, very small hairs.
Leaves: Palmately-dissected leaves with 5 to 11 leaflets, each broadly linear to lanceolate, 1-1/4 to 2 inches long, pointed.
Inflorescence: Many pea-like blue and white blossoms arranged in a raceme 4 to 12 inches long atop each stem.
References: Descr. adapted from "New Manual Botany of the Central Rocky Mountains (Vascular Plants)" by John M. Coulter.
Notes: Identification based on the long, open raceme and widely separated leaves, and the location (Chaffee County). Feedback appreciated.
Colorado Status
Native

© Tom Lebsack 2017