genus Vernonia

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Noun1.genus Vernonia - genus of New World tropical herbs or shrubs with terminal cymose heads of tubular flowers
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
ironweed, vernonia - any of various plants of the genus Vernonia of tropical and warm regions of especially North America that take their name from their loose heads of purple to rose flowers that quickly take on a rusty hue
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The genus Vernonia belongs to the family Asteraceae consists of approximately 1000 species distributed in Africa, Southeast Asia, South and North America [1].
The genus Vernonia belongs to family "Asteraceae" which consists of about 1300 genera and 25,000 species distributed all over the world and in almost all habitats [1].