genus helianthus is a noun meaning "genus of tall erect or branched American annual or perennial herbs with showy flowers: sunflowers". It carries one recorded sense.
genus of tall erect or branched American annual or perennial herbs with showy flowers: sunflowers
Definitions, synonyms and semantic relations for genus helianthus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.