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

Description Trifolium eriocephalum is a hairy perennial herb producing an upright, unbranched stem. The leaves are made up of oval leaflets up to long.

The inflorescence is a head of flowers up to 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 cm long.

Subspecies Trifolium eriocephalum ssp. cusickii – Cusick's clover, Great Basin region.Calflora: Trifolium eriocephalum ssp. cusickii Trifolium eriocephalum ssp. eriocephalum Calflora: Trifolium eriocephalum ssp. eriocephalum

Distribution and habitat 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.Calflora: Trifolium eriocephalum

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 Washington Burke Museum UC CalPhotos gallery: Trifolium eriocephalum