Scientific Name: Alternanthera phyloxeroides
- Leaves arranged oppositely along stem. Leaves can have many different shapes, but often narrow and coming to a point.
- White flower.
- Thick, hollow green to reddish-purple stem.
- Rooted along shoreline, but forms floating mat of erect stems. Mats can detach from shoreline.
This is an exotic plant. If you observe this plant growing in the southeastern U.S., please take the time to report its location on the EDD Maps database at http://www.se-eppc.org/index.cfm.