Helianthus resinosus

Helianthus resinosus is a North American species of sunflower known by the common name resindot sunflower.[1] It is native to the southeastern United States from Mississippi to North Carolina.[2]

Helianthus resinosus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Helianthus
Species:
H. resinosus
Binomial name
Helianthus resinosus

Helianthus resinosus grows in open swamps and meadows, and along roadsides. It is an perennial herb up to 300 cm (10 feet) tall, spreading by means of underground rhizomes. Leaves are up to 20 cm (8 inches) long, dotted with visible resin glands embedded in the leaves. One plant usually produces 1-5 flower heads, each containing 10-20 yellow ray florets surrounding 90 or more yellow disc florets.[1][3]

References
  1. Flora of North America, Helianthus resinosus Small, 1903. Resindot sunflower
  2. Biota of North America Program 2014 county distribution map
  3. Small, John Kunkel 1903. Flora of the Southeastern United States 1269, 1340


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