HELICHRYSUM
Helichrysum, genus Helichrysum
(noun) large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
Source: WordNet® 3.1
Etymology
From the genus name.
Noun
helichrysum (plural helichrysums)
Any of the genus Helichrysum of plants related to the sunflower.
Source: Wiktionary
Hel`i*chry"sum (, n. Etym: [L., the marigold, fr. Gr. (Bot.)
Definition: A genus of composite plants, with shining, commonly white or
yellow, or sometimes reddish, radiated involucres, which are often
called "everlasting flowers."
Source: Webster’s Unabridged Dictionary 1913 Edition