genus Silphium

Thesaurus

Noun

1.

genus Silphium - tall North American perennial herbsSilphiumasterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubsaster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinniarosinweed, Silphium laciniatum - North American perennial having a resinous odor and yellow flowers