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Congdon's Milkvetch Back to Plant Page
Astragalus congdonii

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About Congdon's Milkvetch (Astragalus congdonii) Astragalus congdonii is a species of milkvetch known by the common name Congdon's milkvetch. Astragalus congdonii is a hairy perennial herb growing to heights between 20 and 70 centimeters. The sparse leaves are up to 14 centimeters long and are made up of several pairs of oval-shaped leaflets. The large, open inflorescence bears up to 35 cream-colored flowers, each about 1 to 1. 5 centimeters long. The fruit is a narrow legume pod up to 3. 5 centimeters long which dries to a thick papery texture. Astragalus congdonii is endemic to the Sierra Nevada foothills of central California.
Plant Description
Plant Type
Perennial herb

Max. Height
0.7 - 2.3 ft (0.21 - 0.7 m)

Flower Color

Native Status

Natural Setting
Elevation ?
617' - 3376'

Annual Precip. ?
17.5" - 43.9"

Summer Precip. ?
0.28" - 0.90"

Coldest Month ?
44.3° F - 50.5° F

Hottest Month ?
67.9° F - 77.6° F

Humidity ?
2.87 vpd - 25.80 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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