Helichrysum \Hel`i*chry"sum\, n. [L., the marigold, fr. Gr. ? a kind of plant.] (Bot.) A genus of composite plants, with shining, commonly white or yellow, or sometimes reddish, radiated involucres, which are often called ``everlasting flowers.''
Helichrysum n : large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus [syn: {genus Helichrysum}]