Search Result：helianthus giganteus
helianthus giganteus 
(TTS Sound)
(TTS Sound)Overview of noun helianthus_giganteus
The noun helianthus giganteus has 1 sense
- giant sunflower, tall sunflower, Indian potato, Helianthus giganteus -- (very tall American perennial of central and the eastern United States to Canada having edible tuberous roots)