Whorled Rosinweed – Native Plant of the Day 07/26/2023
Photo from 8/4/2012.  Location:  Wilson County, TN.
More photos / info at the Silphium trifoliatum detail page.

Whorled Rosinweed – Silphium trifoliatum

Also NPOD 02/06/2013, 02/06/2014, 07/09/2015, 08/13/2016, 08/05/2017