helianthus laetiflorus is a noun meaning "tall rough-leaved perennial with a few large flower heads; central United States". It carries one recorded sense.
tall rough-leaved perennial with a few large flower heads; central United States
Definitions, synonyms and semantic relations for helianthus laetiflorus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.