Boltonia diffusa

Boltonia diffusa (smallhead doll's daisy)[2] is a North American species of plants in the sunflower family. It native to the United States, primarily the states along the Gulf of Mexico from Texas to Florida plus the lower Mississippi Valley from Louisiana to Illinois. There additional populations in the eastern United States as far north as Virginia.[3]

Boltonia diffusa
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Astereae
Genus:
Boltonia
Species:
B. diffusa
Binomial name
Boltonia diffusa
Synonyms[1]
  • Cacotanis ciliata Raf.
  • Boltonia interior (Fernald & Griscom) G.N.Jones, syn of var. interior

Boltonia diffusa is a small perennial rarely more than 20 cm (8 inches) high. It spreads by stolons (horizontal stems running along the surface of the ground). It has many daisy-like flower heads with white or lavender ray florets and yellow disc florets.[4]

Varieties[1]
  • Boltonia diffusa var. diffusa - coastal regions and Mississippi Valley
  • Boltonia diffusa var. interior Fernald & Griscom - Mississippi Valley

References
  1. The Plant List, Boltonia diffusa Elliott
  2. "Boltonia diffusa". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 29 May 2015.
  3. Biota of North America Program 2014 county distribution map
  4. Flora of North America, White doll’s-daisy, asterlike boltonia, Boltonia asteroides (Linnaeus) L’Héritier


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