Photo: Silphium integrifolium 5.

Photo: Silphium integrifolium 5.

Flowers and flowerbuds. Botanical garden Kumpula, Helsinki, Finland. Planted. 2004-09-17.


Silphium integrifolium Michx.
Engl.: wholeleaf rosinweed.
Bot. syn.: Silphium laevigatum Pursh