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Acmispon wrangelianus
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Chilean Bird's-foot Trefoil
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Acmispon wrangelianus

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About Chilean Bird's-foot Trefoil (Acmispon wrangelianus) Acmispon wrangelianus is a species of legume known by the common names Chilean bird's-foot trefoil and Chile lotus. It is native to California, where it is widespread, and parts of adjacent states. Despite its common name, it is not from Chile. It can be found in many types of habitat, including disturbed areas. This is a hairy, prostrate annual herb. Its slender branches are lined with leaves each made of generally four small leaflets. The inflorescence is composed of a solitary yellow pealike flower around a centimeter wide. The fruit is a legume pod 1 to 2 centimeters long.
Plant Description
Plant Type
Annual herb, Perennial herb

Max. Height
1.9 - 11.8 in (4.8 - 30 cm)

Flower Color

Native Status

Natural Setting
Elevation ?
4' - 6303'

Annual Precip. ?
5.6" - 71.5"

Summer Precip. ?
0.14" - 2.33"

Coldest Month ?
34.3° F - 57.2° F

Hottest Month ?
57.9° F - 83.1° F

Humidity ?
0.55 vpd - 34.34 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Chile Lotus

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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