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Astragalus canadensis
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Canadian Milkvetch
( Astragalus canadensis )
Astragalus canadensis
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Canadian Milkvetch (Astragalus canadensis)
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Astragalus canadensis
is a common and widespread member of the milkvetch genus in the legume family, known commonly as Canadian milkvetch. The plant is found throughout Canada and the United States in many habitats including wetlands, woodlands, and prairies. It sends out several thin, erect, green stems, bearing leaves that are actually made up of pairs of leaflets, each leaflet up to 3 centimeters in length. It has flower clusters of tubular, greenish-white flowers which yield beanlike fruits within pods that rattle when dry. Like other
Astragalus species
, A. canadensis is somewhat toxic, but it has been used medicinally by Native American groups such as the Blackfoot and Lakota people, particularly the roots.
Plant Description
Plant Type
Perennial herb
Size
0.5 - 1.8 ft tall
Form
Spreading
Growth Rate
Moderate
Flower Color
White, Green
Flowering Season
Summer
Wildlife Supported
Butterflies & moths hosted ( 1
confirmed
, 19
likely
* )
SHOW ALL
Queen Alexandra's Sulphur
Colias alexandra
Colias alexandra
*
Painted Lady
Vanessa cardui
Vanessa cardui
*
Acmon Blue
Icaricia acmon
Icaricia acmon
*
Orange Sulphur
Colias eurytheme
Colias eurytheme
*
Silvery Blue
Glaucopsyche lygdamus
Glaucopsyche lygdamus
*
Shasta Blue
Icaricia shasta
Icaricia shasta
*
Silver-Spotted Skipper
Epargyreus clarus
Epargyreus clarus
Landscaping Information
Sun
Full Sun
Soil Description
Prefers loamy soils
Natural Setting
Site Type
Spring-moist places with heavy soils
Climate
Annual Precipitation: 9.7" - 66.2", Summer Precipitation: 0.93" - 2.09", Coldest Month: 24.9" - 34.1", Hottest Month: 52.0" - 63.0", Humidity: 0.59" - 18.60", Elevation: 1568" - 8242"
Alternative Names
Common Names
: Canada Milkvetch, Canadian Milk-vetch
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Canadian Milkvetch
Astragalus canadensis
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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