Trifolium eriocephalum
Encyclopedia
Trifolium eriocephalum is a species of clover
Clover
Clover , or trefoil, is a genus of about 300 species of plants in the leguminous pea family Fabaceae. The genus has a cosmopolitan distribution; the highest diversity is found in the temperate Northern Hemisphere, but many species also occur in South America and Africa, including at high altitudes...

 known by the common name woollyhead clover. It is native to the western United States, where it is a common plant of several types of habitat.

Description

It 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
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 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 sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...

s with long, narrow linear lobes that may bend outward. The white or yellowish corolla may be up to 1.4 centimeters long.

There are a number of subtaxa, many of which are separated by distribution.

External links

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