Species
The species of Echinacea are
- Echinacea angustifolia – Narrow-leaf Coneflower
- Echinacea atrorubens – Topeka Purple Coneflower
- Echinacea laevigata – Smooth Coneflower, Smooth Purple Coneflower
- Echinacea pallida – Pale Purple Coneflower
- Echinacea paradoxa – Yellow Coneflower, Bush's Purple Coneflower
- Echinacea purpurea – Purple Coneflower, Eastern Purple Coneflower
- Echinacea sanguinea – Sanguine purple Coneflower
- Echinacea simulata – Wavyleaf Purple Coneflower
- Echinacea tennesseensis – Tennessee Coneflower
Researchers at the Agricultural Research Service are using DNA analysis to help determine the number of Echinacea species. The DNA analysis allows researchers to reveal clear distinctions among species based on chemical differences in root metabolites. The research concluded that of the 40 genetically diverse populations of Echinacea studied, there were nine distinct species.
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