Helianthus radula
| Helianthus radula | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. radula
|
| Binomial name | |
| Helianthus radula | |
| Synonyms[2] | |
| |
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 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]
References
- ^ a b "Helianthus radula". NatureServe Explorer. Retrieved 8 June 2025.
- ^ The Plant List, Helianthus radula (Pursh) Torr. & A.Gray
- ^ a b Flora of North America, Helianthus radula (Pursh) Torrey & A. Gray, 1842. Rayless or pineland sunflower
- ^ Biota of North America Program 2014 county distribution map
External links