From the Latin bidens meaning "two-toothed" and cernua meaning "nodding".

Common to open mudflats, marsh edges, wet ditches and streambanks throughout the Tallgrass region. Blooms from late August until the firost. Can reach 5 feet but is normally about half that or less. Numerous bright yellow flowers droop as the plant matures.

Nodding Bur Marigold (Bidens Cernua) is common to open mudflats, marsh edges, wet ditches and streambanks throughout the Tallgrass region. Blooms from late August until the firost. Can reach 5 feet but is normally about half that or less. Numerous bright yellow flowers droop as the plant matures.

Early settlers used this species as an expectorant and remedy for the croup

 

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