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Eurybia paludosa : ウィキペディア英語版 | Eurybia paludosa
''Eurybia paludosa'', commonly known as the southern swamp aster, is an herbaceous perennial in the aster family. It is native to the southeastern United States where it is confined to the Carolinas and the states of Georgia and Florida. It is generally confined to moist soils, though it can occasionally be found on sand hills along the coastal plain. The southern swamp aster is often confused with the closely related southern prairie aster (''Eurybia hemispherica''), though they do not occur in the same habitats or geographical areas. Its flower heads emerge in the late summer through fall and show deep lavender to purple rays with yellow centres. ==Similar species== ''Eurybia paludosa'' is often confused with the closely related ''Eurybia hemispherica''. Despite the fact that both of these asters are found in the southeastern United States, they do not occur in the same geographical regions nor the same habitats. For example, in North Carolina, where both plants are present ''E. paludosa'' occurs along the coastal plain, but ''E. hemispherica'' is confined to the mountains. Also, in the north of Florida, the southern swamp aster is found solely in Nassau County in the extreme northeast of the state, while the southern prairie aster is restricted to the western panhandle.
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