Acmella oppositifolia (Lam.) R.K. Jansen
Family - Asteraceae
Stems - No info yet.
Leaves - No info yet.
Inflorescence - No info yet.
Involucre - No info yet.
Ray flowers - No info yet.
Disk flowers - No info yet.
Flowering - July - October.
Habitat - Low wet woods, borders of swamps and bayous.
Origin - Native to U.S. and Central America.
Other info. - This little species can be found in a handful of southeastern Missouri counties. The plant is more common in states to the south and east.
This species can be identified by its wet habitat, opposite leaves, pubescent stems, and conical yellow disks.
The Missouri material belongs to variety repens (Walt.) R.K. Jansen
Photographs taken at Arkansas Post Memorial, Gillett, AR., 8-31-06 and 9-7-06.
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