helianthus laetiflorus

Found in Anh - Anh (Wordnet)

Definition Noun : * A tall, rough-leaved perennial plant with a few large flower heads, native to the central United States. It is a species of sunflower. Usage This word is a specific botanical name for a type of sunflower. It is used in scientific, horticultural, and ecological contexts to precisely identify this particular species. Example: "The prairie restoration project included native sp...