This wild shrub is located on the bank of Lee creek in north central OK. It has yellow flowers with a center ball and petals. I also placed this quiry in the plant ID forum for broader ID interest.
Wild yellow flowering shrub?
Shrubby St. John's wort. Hypericum spathulatum
http://www.missouriwildflowerguide.com/FlowerShrubbyStJohnsWort.asp
Thanks for the quick ID.
