Helianthus radula

Helianthus radula is a North American species of sunflower known by the common name rayless sunflower or pineland sunflower.^[3] It is native to the southeastern United States from eastern Louisiana to South Carolina.^[4]

Helianthus radula
Conservation status
Apparently Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Heliantheae
Genus:	Helianthus
Species:	H. radula
Binomial name
Helianthus radula (Pursh) Torr. & A.Gray
Synonyms[2]
Rudbeckia radula Pursh Centrocarpha radula D.Don

Helianthus radula grows in sandy, open woodlands such as pine barrens. It is a perennial herb up to 100 cm (40 inches) tall. One plant usually produces only one flower head, containing 0-8 yellow ray florets surrounding sometimes as many as 150 or more yellow or brown disc florets.^[3]