Trifolium cyathiferum

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Trifolium cyathiferum
Trifolium cyathiferum.jpg

Apparently Secure (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Trifolieae
Genus: Trifolium
Species: T. cyathiferum
Binomial name
Trifolium cyathiferum

Trifolium cyathiferum is a species of clover known by the common names cup clover[1] and bowl clover. [2]


This species occurs in western North America, its distribution extending from Alaska and the Yukon, through the Pacific Northwest to California, Utah, and Montana. [3] 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.[4]

It usually occurs in spring-moist valleys, chaparral, and forest habitats, below 2,500 metres (8,200 ft) in elevation.[2]


Trifolium cyathiferum is a low growing annual plant. [5]

The inflorescence is many flowered and bowl shaped. Flowers are white to yellow with pink tips. The bloom period is May to August. [5]


  1. ^ "Trifolium cyathiferum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 December 2015. 
  2. ^ a b Calflora
  3. ^ USDA
  4. ^ Hogan, C. M. 2008. Ring Mountain, The Megalithic Portal, ed. A. Burnham.
  5. ^ a b Jepson

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