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Lupinus obtusilobus
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Shasta Lupine
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Lupinus obtusilobus

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About Shasta Lupine (Lupinus obtusilobus) Lupinus obtusilobus is a species of lupine known by the common name bluntlobe lupine. It is native to high mountains of northern California, including the North Coast Ranges, the Klamath Mountains, and the northernmost Sierra Nevada. It grows in various types of mountain habitat, sometimes carpeting meadows with its purple blooms in the spring. It is a perennial herb growing erect or decumbent along the ground, its stem 15 to 30 centimeters long. Each palmate leaf is made up of 6 to 7 leaflets up to 5 centimeters long. The herbage is coated in silvery silky hairs. The flower cluster is a small raceme with a few whorls of flowers each just over a centimeter long. The flower is blue to purple with a yellowish patch on its banner. The fruit is a silky-haired legume pod up to 4 centimeters long.
Plant Description
Plant Type
Perennial herb, Annual herb

Max. Height
0.49 - 1 ft (0.15 - 0.3 m)

Flower Color
Blue, Lavender, Purple

Native Status

Natural Setting
Site Type
Gravelly summits


Elevation ?
1630' - 14113'

Annual Precip. ?
16.3" - 122.8"

Summer Precip. ?
0.52" - 4.15"

Coldest Month ?
10.8° F - 44.3° F

Hottest Month ?
34.1° F - 72.2° F

Humidity ?
0.83 vpd - 22.26 vpd


Landscaping Information
Propagation ?
For propagating by seed: Fresh seeds need no treatment. Stored seeds scarification or hot water.

Common uses
Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Bluntlobe Lupine

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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