Echinacea serotina

Echinacea serotina, the narrow-leaved purple coneflower or blacksamson echinacea,[3] is a species of flowering plant in the sunflower family. It is native to the states of Arkansas and Louisiana in the United States.[4] The species is sometimes listed as being found only in Louisiana, but the type collection was made in Arkansas, part of Louisiana at the time.[5]

Echinacea serotina
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Echinacea
Species:
E. serotina
Binomial name
Echinacea serotina
Synonyms[1][2]
  • Brauneria serotina (Sweet) Bergmans
  • Rudbeckia purpurea var. serotina Nutt.
  • Rudbeckia serotina (Nutt.) Sweet 1823 not Nutt. 1834
  • Echinacea purpurea var. serotina (Nutt.) L.H.

E. serotina is very similar to E. purpurea but with stiffer, bristly hairs on the foliage.[3]

References
  1. The Plant List, Echinacea serotina (Nutt.) DC.
  2. Tropicos, Echinacea serotina (Nutt.) DC.
  3. Bailey, Liberty Hyde 1914. Standard Cyclopedia of Horticulture 2: 1088. as Echinacea purpurea var. serotina (Nutt.) L.H. Bailey
  4. Nuttall, Thomas 1818. Genera of North American Plants 2: 178 as Rudbeckia purpurea var. serotina Nutt.
  5. Tropicos, Rudbeckia purpurea var. serotina Nutt


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