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Woolly Lotus
Acmispon heermannii
About Woolly Lotus (Acmispon heermannii) 3 Nurseries Carry This Plant Lotus heermannii is a species of legume known by the common name Heermann's bird's-foot trefoil. It is native to the coastal plains, canyons, and mountains of California and Baja California, where it is known from several types of oceanside and inland habitat. It is a mat-forming perennial herb spreading straight stems along the ground. It is lined with leaves made up of several hairy oval leaflets. The flower cluster is a cluster of 3 to 8 flowers each up to about a centimeter long. The petals are yellow, often with dark lobes. The fruit is a curved, beaked legume pod.
Plant Description
Plant Type
Plant Type
Perennial herb

1 - 3.3 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 2 likely * ) SHOW ALL

Landscaping Information
Full Sun, Part Shade


Natural Setting
Site Type
Site Type
Washes, riverbanks,

Annual Precipitation: 4.8" - 54.8", Summer Precipitation: 0.18" - 3.08", Coldest Month: 34.0" - 56.4", Hottest Month: 59.1" - 86.1", Humidity: 0.65" - 36.87", Elevation: -5" - 6485"

Alternative Names
Common Names: Heermann's Bird's-foot Trefoil

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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