helianthus petiolaris is a noun meaning "similar to the common sunflower with slender usually branching stems common in central United States". It carries one recorded sense.
similar to the common sunflower with slender usually branching stems common in central United States
Definitions, synonyms and semantic relations for helianthus petiolaris come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.