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Helianthus decapetalus
Yellow and everywhere! Helianthus decapetalus is an occasionally branching plant from 2 to 5 feet tall, with multiple flower heads on long stalks. It is a relatively leafy sunflower, with opposite leaves on the lower part of the plant and alternate leaves on the upper part of the plant. This is one of the sunflowers that may have green or reddish stems. The stems are smooth, occasionally glaucous, in the lower part, and may have short hairs in the upper area, usually so in the inflorescence. It blooms in late summer and well into fall.
Wetlands
Spotted on Oct 30, 2011
Submitted on Oct 31, 2011
3 Comments
Thanks for your help. I think the Helianthus decapetalus is the best match.
Here's another possible: Bidens laevis. I think this one looks a little closer...
http://www.wildflower.org/gallery/result...
http://plants.usda.gov/java/profile?symb...
The same has been blooming here in louisiana over the last month...i'm not positive but so far polymnia uvedalia is the closest match I've found.