| 词条 | Echinacea serotina |
| 释义 |
|image = |genus = Echinacea |species = serotina |authority = (Nutt.) DC. |synonyms_ref = [1][2] |synonyms =
}}Echinacea serotina, the narrow-leaved purple coneflower or blacksamson echinacea,[3] is a North American plant species in sunflower family. It is native to the states of Arkansas and Louisiana in the United States.[3] 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.[4]Echinacea serotina is very similar to E. purpurea but with stiffer, bristly hairs on the foliage.[5] References1. ^The Plant List, Echinacea serotina (Nutt.) DC. {{Taxonbar|from=Q15580844}}{{Heliantheae-stub}}{{medicinal-plant-stub}}2. ^Tropicos, Echinacea serotina (Nutt.) DC. 3. ^[https://www.biodiversitylibrary.org/page/723931#page/178/mode/1up Nuttall, Thomas 1818. Genera of North American Plants 2: 178] as Rudbeckia purpurea var. serotina Nutt. 4. ^Tropicos, Rudbeckia purpurea var. serotina Nutt 5. ^1 [https://www.biodiversitylibrary.org/page/19620672#page/534/mode/1up Bailey, Liberty Hyde 1914. Standard Cyclopedia of Horticulture 2: 1088.] as Echinacea purpurea var. serotina (Nutt.) L.H. Bailey 3 : Echinacea|Flora of the Southern United States|Plants described in 1818 |
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