''Trifolium cyathiferum'' is a species of

clover Clover or trefoil are common names for plants of the genus ''Trifolium'' (from Latin ''tres'' 'three' + ''folium'' 'leaf'), consisting of about 300 species of flowering plants in the legume or pea family Fabaceae originating in Europe. The genus ...

known by the common names cup clover and bowl clover.Calflora
/ref>

Distribution

This species occurs in western North America, its distribution extending from

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...

and the

Yukon Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

, through the

Pacific Northwest The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Thou ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...

, and

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...

. As an example occurrence, it is found in the

California Coast Ranges The Coast Ranges of California span from Del Norte or Humboldt County, California, south to Santa Barbara County. The other three coastal California mountain ranges are the Transverse Ranges, Peninsular Ranges and the Klamath Mountains. ...

in such places as Ring Mountain, California, where it is found in association with tomcat clover.Hogan, C. M. 2008.
''Ring Mountain'', The Megalithic Portal
ed. A. Burnham. It usually occurs in spring-moist valleys,

chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranea ...

, and forest habitats, below in elevation.

Description

''Trifolium cyathiferum'' is a low growing annual plant. Jepson
/ref> The inflorescence is many flowered and bowl shaped. Flowers are white to yellow with pink tips. The bloom period is May to August.

References

External links

Calflora Database: ''Trifolium cyathiferum'' (Bowl clover, Cup clover) Jepson Manual eFlora (TJM2) treatment of ''Trifolium cyathiferum''USDA Plants Profile for ''Trifolium cyathiferum'' (cup clover)University of Washington Burke MuseumUC CalPhotos gallery: ''Trifolium cyathiferum''
cyathiferum Flora of the Northwestern United States Flora of Western Canada Flora of Alaska Flora of California Flora of Nevada Plants described in 1827 {{Trifolieae-stub