Trifolium eriocephalum

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

Trifolium eriocephalum is a species of clover known by the common name woollyhead clover[1] 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. [2]


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.


  • Trifolium eriocephalum ssp. cusickii — Cusick's clover, Great Basin region. [3]
  • Trifolium eriocephalum ssp. eriocephalum [4]


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