Your search found 7 image(s) of stems of Joe Pye Weed species.
Clicking or hovering over any of the pictures below will display a larger image; clicking the plant's name will provide information about the plant pictured.
Eutrochium maculatum var. maculatum
Stem dark purple or at least purple-spotted, per Wildflowers of the Southern Mountains.
Eutrochium purpureum var. purpureum
The stem is generally greenish but purplish at the nodes, per Wildflowers of the Southern Mountains.