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Asteraceae
Helianthus

not marked as a favorite taxon Helianthus Linnaeus. Common name: Sunflower.

Key to Helianthus

A genus of about 50 species, herbs, of North America.

Key based in part on Schilling (2006c).

Glossary (beta!)

Subfamily: Asteroideae. Tribe: Heliantheae. Subtribe: Helianthinae.

References: Cronquist (1980); Heiser et al. (1969); Kelley (2003) In Flora of North America Editorial Committee (2003b); Schilling (2006c) In Flora of North America Editorial Committee (2006c); Schilling et al. (1998); Semple et al. (2025); Ungberg et al. (2024). Show full citations.

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image #2 of Helianthus© Gary P. Fleming | Helianthus mollis | Original Image ⭷
image #8 of Helianthus© Alan Cressler: Helianthus verticillatus, Wet Prairie, Coosa Prairies Area, Floyd County, Georgia 1 by Alan Cressler | Helianthus verticillatus source | Original Image ⭷
image #14 of Helianthus© Alan Cressler: Helianthus porteri, Stone Mountain, Stone Mountian Park, DeKalb County, Georgia 3 by Alan Cressler | Helianthus porteri source | Original Image ⭷
image #15 of Helianthus© Bruce A. Sorrie | Helianthus annuus | Original Image ⭷

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