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ageratum |
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ageratum (ăj'ərā`təm, əjĕr`ə–) [Gr.,=unaging], any plant of the genus Ageratum, tropical American annuals of the family Asteraceae (aster aster [Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants of the genus Aster, sometimes called wild asters, and for a related plant more correctly called China aster (Callistephus chinensis ..... Click the link for more information. family). The commonly cultivated species is the Mexican A. houstonianum, with thick terminal clusters of blue flowers. The similar mistflower, a Eupatorium (see boneset boneset (bōn`sĕt) or thoroughwort ..... Click the link for more information. ), is a perennial sometimes called hardy ageratum. Ageratum is classified in the division Magnoliophyta Magnoliophyta (măg'nōlēŏf`ətə) ..... Click the link for more information. , class Magnoliopsida, order Asterales, family Asteraceae. ageratumAny 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. |
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In sun, for
red, select ivy or zonal geranium, petunia, pentas and trailing verbena;
for white, zonal geranium, petunia and trailing white lantana; for blue,
lobelia, petunia, ageratum and dwarf agapanthus. Violet ageratum and yellow marigolds colorfully engulf the stone
supports of an engraved wooden sign erected by a city park and
recreation department. He doesn't use ageratum as a personal insect
deterrent, because it has some slightly toxic compounds that he'd
rather avoid. |
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ageratum