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Astragalus nevinii
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San Clemente Island Milkvetch
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Astragalus nevinii

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About San Clemente Island Milkvetch (Astragalus nevinii) Astragalus nevinii is a rare species of milkvetch known by the common name San Clemente Island milkvetch. It is endemic to San Clemente Island, one of the Channel Islands of California. This is perennial herb growing upright 10 to 30 centimeters tall. It is coated in woolly, tangled hairs. Its leaves are up to 8 centimeters long and are made up of many oblong leaflets. The inflorescence is a dense cluster of up to 30 cream-colored flowers, each around a centimeter in length. The fruit is a hanging legume pod up to 2 centimeters long which is papery in texture and mostly hairless.
Plant Description
Plant Type
Perennial herb

Max. Height
4 - 11.8 in (10.2 - 30 cm)

Flower Color

Native Status
Natural Setting
Elevation ?
-4278' - 1231'

Annual Precip. ?
7.7" - 12.0"

Summer Precip. ?
0.20" - 0.25"

Coldest Month ?
53.6° F - 57.6° F

Hottest Month ?
65.0° F - 70.2° F

Humidity ?
1.44 vpd - 13.54 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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