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Astragalus sabulonum
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Gravel Milkvetch
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Astragalus sabulonum

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About Gravel Milkvetch (Astragalus sabulonum) Astragalus sabulonum is a species of milkvetch known by the common name gravel milkvetch. It is native to the Southwestern United States and California, from desert to mountain habitats. This is a hairy annual herb with stems up to about 26 centimeters long. Leaves are a few centimeters long and are made up of several hairy oval-shaped leaflets. The inflorescence is an open array of 2 to 7 off-white to pale lilac flowers each less than a centimeter in length.
Plant Description
Plant Type
Annual herb

Max. Height
0.8 - 10.2 in (2 - 25.9 cm)

Flower Color

Native Status
Natural Setting
Elevation ?
-190' - 3195'

Annual Precip. ?
2.5" - 5.3"

Summer Precip. ?
0.28" - 1.31"

Coldest Month ?
46.7° F - 59.6° F

Hottest Month ?
78.4° F - 89.6° F

Humidity ?
6.94 vpd - 40.44 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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