| Share
 

ageratum

ageratum (ăjˌərāˈtəm, əjĕrˈə–) [key] [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.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on ageratum from Infoplease:

See more Encyclopedia articles on: Plants

24 X 7

Private Tutor

Click Here for Details
24 x 7 Tutor Availability
Unlimited Online Tutoring
1-on-1 Tutoring