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Clara Hunt's Milkvetch
Astragalus claranus
  
About Clara Hunt's Milkvetch (Astragalus claranus) 0 Nurseries Carry This Plant Astragalus clarianus (orth. var. A. claranus) is a rare species of milkvetch known by the common names Clara Hunt's milkvetch and Napa milkvetch. It is endemic to northern California where it is known from only four or five occurrences along the border between Sonoma and Napa Counties. It is a federally listed endangered species. This is an annual herb producing thin stems covered in tiny rough hairs. The plant reaches up to 12 centimeters tall. The small leaves are made up of a few pairs of oval-shaped leaflets. The inflorescence is a small cluster of 2 to 7 flowers. Each flower is about a centimeter long and has white petals with bright deep purple tips. The fruit is a papery legume pod around 2 centimeters long. It is tapered at both ends, hairy in texture, and it bears a sharp beak at one end. The plant was named for the California schoolteacher and amateur botanist Clara Adele Pike Blodgett Hunt. Ecology. This rare plant faces several threats, including invasive species, urban development, the establishment of vineyards in its habitat, grazing, trampling, alterations in the water regime, recreation, and road and airport maintenance activities.
Plant Description
Plant Type
Plant Type
Annual herb

Size
Size
1.2 - 4.7 in tall

Flower Color
Flower Color
White, Purple

Wildlife Supported
 


 
Butterflies & moths hosted ( 12 likely * ) SHOW ALL

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 34.1" - 43.7", Summer Precipitation: 0.35" - 0.50", Coldest Month: 46.5" - 48.8", Hottest Month: 70.6" - 74.3", Humidity: 1.46" - 21.82", Elevation: 225" - 1574"

Alternative Names
Common Names: Clara Hunt's Milk-vetch, Napa Milkvetch


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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