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Brewer's Clover
Trifolium breweri
About Brewer's Clover (Trifolium breweri) 0 Nurseries Carry This Plant Trifolium breweri, which has the common names forest clover and Brewer's clover, is a perennial clover that is native to mixed evergreen forests and coastal coniferous forests in southern Oregon and California. It belongs to the family Fabaceae, known for containing peas and other legumes. Its genus, Trifolium, has a cosmopolitan distribution; the densest of which is found in the Northern Hemisphere. Trifolium breweri is found in southern Oregon and California. It grows in the Klamath Range, Cascades Range, and Sierra Nevada. This plant is considered to be secure within its range. Recent Research. There was a study done about New World clovers found in mountainous regions done in 2013. Trifolium breweri is mentioned briefly as being basal within the Involucrarium clade with some of the South American species that were studied. Another study done on the molecular phylogenetics of the clover genus mentions Trifolium breweri. 218 species of Trifolium were collected and sequenced in California. The results of the study were consistent with a Mediterranean origin of the genus, probably in the Early Miocene. They believe that all of the New World species had a single origin, while the species of sub-Saharan Africa originated from three separate dispersal events.
Plant Description
Plant Type
Plant Type
Perennial herb


Wildlife Supported

Butterflies & moths hosted ( 1 confirmed , 50 likely * ) SHOW ALL

Landscaping Information
Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Annual Precipitation: 13.1" - 106.2", Summer Precipitation: 0.33" - 2.95", Coldest Month: 31.2" - 52.0", Hottest Month: 54.4" - 79.3", Humidity: 0.42" - 24.62", Elevation: 10" - 7468"

Alternative Names
Common Names: Forest 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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