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Astragalus bicristatus
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Crested Milkvetch
( Astragalus bicristatus )
Astragalus bicristatus
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Crested Milkvetch (Astragalus bicristatus)
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Astragalus bicristatus
is a species of milkvetch known by the common names crested milkvetch and two-crested milkvetch. It is endemic to southern California, where it grows in the coniferous forests of the San Gabriel and San Bernardino Mountains of the Transverse Ranges.
Astragalus bicristatus
is a perennial herb sprawling outwards with stems to a maximum length approaching half a meter. The leaves are up to 14 centimeters long and are made up of very widely spaced narrow linear leaflets. The stems and foliage have sparse grayish hairs, giving them a rough texture. The inflorescence is a loose array of up to 20 pealike flowers. Each flower is between 1 and 2 centimeters long and is purple-tinted white to light greenish yellow.
Astragalus bicristatus
is a perennial herb sprawling outwards with stems to a maximum length approaching half a meter. The leaves are up to 14 centimeters long and are made up of very widely spaced narrow linear leaflets. The stems and foliage have sparse grayish hairs, giving them a rough texture. The inflorescence is a loose array of up to 20 pealike flowers. Each flower is between 1 and 2 centimeters long and is purple-tinted white to light greenish yellow. The fruit is a hanging capsule 2 to 4 centimeters long and curved or crescent-shaped. It is fleshy when immature and leathery to woody when dried.
Plant Description
Plant Type
Perennial herb
Size
1.6 ft tall
Flower Color
Green
Wildlife Supported
Butterflies & moths hosted ( 18
likely
* )
SHOW ALL
*
Painted Lady
Vanessa cardui
Vanessa cardui
*
Acmon Blue
Icaricia acmon
Icaricia acmon
*
Orange Sulphur
Colias eurytheme
Colias eurytheme
*
Silvery Blue
Glaucopsyche lygdamus
Glaucopsyche lygdamus
*
Silver-Spotted Skipper
Epargyreus clarus
Epargyreus clarus
*
Melissa Blue
Plebejus melissa
Plebejus melissa
*
Persius Duskywing
Erynnis persius
Erynnis persius
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 12.6" - 52.4", Summer Precipitation: 0.96" - 3.04", Coldest Month: 29.8" - 45.0", Hottest Month: 57.1" - 70.5", Humidity: 2.04" - 23.12", Elevation: 4589" - 8758"
Alternative Names
Common Names
: Two-crested Milkvetch, Twocrested Milkvetch
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Crested Milkvetch
Astragalus bicristatus
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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