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

Trifolium eriocephalum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Trifolium
Species:	T. eriocephalum
Binomial name
Trifolium eriocephalum Nutt.

Distribution

The plant is native to the north-western 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]

Description

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.

Subspecies

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

References

External links

• Calflora Database: Trifolium eriocephalum (Woollyhead clover)
• USDA Plants Profile for Trifolium eriocephalum (woollyhead clover)
• Jepson Manual eFlora (TJM2) treatment of Trifolium eriocephalum var. eriocephalum^{[permanent dead link]}
• Washington Burke Museum
• UC CalPhotos gallery: Trifolium eriocephalum

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