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Bowl Clover
Trifolium cyathiferum
About Bowl Clover (Trifolium cyathiferum) Nurseries Show All Photos Trifolium cyathiferum is a species of clover known by the common names cup clover and bowl clover. This species occurs in western North America, its distribution extending from Alaska and the Yukon, through the Pacific Northwest to California, Utah, and Montana. As an example occurrence, it is found in the California Coast Ranges in such places as Ring Mountain, California, where it is found in association with tomcat clover. It usually occurs in spring-moist valleys, chaparral, and forest habitats, below 2,500 metres (8,200 ft) in elevation. Trifolium cyathiferum is a low growing annual plant. The inflorescence is many flowered and bowl shaped. Flowers are white to yellow with pink tips. The bloom period is May to August.
Plant Description
Plant Type
Annual herb

Flower Color
Pink, Yellow, White

Native Status

Natural Setting
Site Type
Grassy and disturbed places

Sun, Part Shade

Elevation ?
98' - 14092'

Annual Precip. ?
7.1" - 151.1"

Summer Precip. ?
0.34" - 5.63"

Coldest Month ?
10.8° F - 49.3° F

Hottest Month ?
34.1° F - 72.6° F

Humidity ?
0.27 vpd - 22.86 vpd

Landscaping Information
Common uses
Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Cup 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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