ageratum (redirected from mistflower)

ageratum (ăj'ərā`təm, əjĕr`ə–) [Gr.,=unaging], any plant of the genus Ageratum, tropical American annuals of the family Asteraceae (aster family). The commonly cultivated species is the Mexican A. houstonianum, with thick terminal clusters of blue flowers. The similar mistflower, a Eupatorium (see boneset), is a perennial sometimes called hardy ageratum. Ageratum is classified in the division Magnoliophyta, class Magnoliopsida, order Asterales, family Asteraceae.

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ageratum

Any plant of the genus Ageratum, of the composite family, native to tropical South America. Ageratum have toothed, oval leaves that are opposite each other on the stem; compact clusters of blue, pink, lilac, or white flowers; and small, dry fruits. Dwarf varieties are used as edging plants. Some ageratum are variously known as flossflower and pussyfoot.