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Woollyhead Clover
Trifolium eriocephalum
About Woollyhead Clover (Trifolium eriocephalum) 0 Nurseries Carry This Plant Trifolium eriocephalum is a species of clover known by the common name woollyhead clover or hairy head clover. The plant is native to the Northwestern United States, and to California, Nevada, and Utah. It is a common plant of several types of habitat, including Coast redwood forest, coastal prairie, mixed evergreen forest, and yellow pine forest. Trifolium eriocephalum is a hairy perennial herb producing an upright, unbranched stem. The leaves are made up of oval leaflets up to 4 centimeters long. The inflorescence is a head of flowers up to 3 centimeters long with flowers spreading and soon drooping. The flower has a densely hairy, tubular calyx of sepals with long, narrow linear lobes that may bend outward. The white or yellowish corolla may be up to 1. 4 centimeters long. Subspecies are: Trifolium eriocephalum ssp. cusickii - Cusick's clover, Great Basin region. Trifolium eriocephalum ssp. eriocephalum
Plant Description
Plant Type
Plant Type
Perennial herb


Wildlife Supported

Butterflies & moths hosted ( 1 confirmed , 45 likely * ) SHOW ALL

Landscaping Information
Full Sun

Natural Setting
Site Type
Site Type
Spring-moist places

Annual Precipitation: 14.7" - 153.3", Summer Precipitation: 0.28" - 5.63", Coldest Month: 31.7" - 48.8", Hottest Month: 50.8" - 74.2", Humidity: 0.47" - 20.94", Elevation: -7" - 8182"

Alternative Names
Common Names: Hairy Head Clover

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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