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Lane Mountain Milkvetch
Astragalus jaegerianus
  
0 Nurseries Carry This Plant

About Lane Mountain Milkvetch (Astragalus jaegerianus) 0 Nurseries Carry This Plant Astragalus jaegerianus is a rare species of milkvetch known by the common name Lane Mountain milkvetch. The plant was named for the biologist Edmund Jaeger, who first documented it in 1939. It is endemic to northeastern San Bernardino County, California, where it is known from only four populations in the vicinity of Fort Irwin in the Mojave Desert. It is a federally listed endangered species. This is a perennial herb with thin stems coated in scaly hairs. The stems reach 30 to 70 centimeters in length and grow tangled in the herbage of adjacent shrubs. In dry years the plant grows only a few centimeters long before flowering, but after abundant rain it may climb to the tops of neighboring shrubs. The leaves are 2 to 5 centimeters long and are made up of several widely spaced narrow leaflets with hairy upper surfaces. The inflorescence is an open array of up to 15 pale purple, dark veined flowers. Each flower is up to one centimeter in length. The flowers are insect-pollinated, with the most common pollinator being the megachilid bee Anthidium dammersi. The fruit is a hanging legume pod up to 2. 5 centimeters long. It is hairless and dries to a leathery or thick papery texture.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
1 - 2.3 ft tall

Flower Color
Flower Color
Purple

Wildlife Supported
 


 
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Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 4.4" - 6.3", Summer Precipitation: 0.62" - 0.84", Coldest Month: 47.3" - 51.9", Hottest Month: 73.2" - 77.1", Humidity: 5.85" - 29.85", Elevation: 2927" - 4057"

Alternative Names
Common Names: Lane Mtn. Milk-vetch


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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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