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Susanville Milkvetch Back to Plant Page
Astragalus inversus

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About Susanville Milkvetch (Astragalus inversus) Astragalus inversus is a species of milkvetch known by the common name Susanville milkvetch. It is endemic to the northeastern corner of California, between 900-1,980 metres (2,950-6,500 ft) in elevation. It grows in southern Cascade Range Yellow pine forests and dry Great Basin Sagebrush scrub habitats. Astragalus inversus is a perennial herb with slender, wiry, mostly leafless stems growing 20 to 50 centimeters long. They grow upright or form a spreading clump. The leaves are up to 12 centimeters long and are made up of a few small, widely spaced narrow leaflets. The inflorescence is a loose array of 5 to 12 pale to reddish pink flowers, sometimes tinted with yellow. Each flower is about a centimeter long. The fruit is a hanging legume pod 2 to 3. 5 centimeters long, narrow and flat in shape and drying to a hairy, papery texture.
Plant Description
Plant Type
Perennial herb

Max. Height
0.7 - 1.6 ft (0.21 - 0.49 m)

Flower Color
Pink, Yellow, Red

Native Status
Natural Setting
Elevation ?
1720' - 7370'

Annual Precip. ?
12.0" - 49.0"

Summer Precip. ?
0.80" - 2.43"

Coldest Month ?
26.3° F - 38.4° F

Hottest Month ?
50.6° F - 68.2° F

Humidity ?
0.53 vpd - 21.28 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

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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