P h o t o b y U n i v e r s i t y o f T e n n e s s e e H e r b a r i u m ( T E N N )
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Habitat:
Bottomland forests and floodplain swamps; also cypress depressions (Weakley 1998)..
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Species Description:
Perennial herb.
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Phenology:
Flowering Period: Early June to late August.
Fruiting Period: Early July to late September.
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Additional Information at NatureServe
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Diagnostic Characteristics:
Plant of swamps or persistently wet woods. Leaves are evidently septate and 5-16 mm wide. Perigynia spreading rather than erect, appearing inflated and not tight around the achene and over 11 mm long with conic beak. Achene wider than long, ca 3 mm wide and widest above the middle. Style boney and persistent on the achene when mature.
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Management:
Exotic pest plants are a threat to this species. Avoid changes in hydrologic conditions at the site which could result from overstory removal, stream/wetland alteration or impacts due to erosion.
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Global Range:
Delaware to Florida and Texas; in the Mississippi River Valley to southern Illinois.
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Known Kentucky Occurrences:
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