About Silphium brachiatum Gatt.
Silphium brachiatum, commonly known as Cumberland rosinweed, is a species of flowering plant that belongs to the family Asteraceae. It is a rare species in the genus Silphium, native to the southern Cumberland Plateau, where it only occurs in a small number of counties across Alabama, Georgia, and Tennessee. This species was first described by Augustin Gattinger, who served as the first state botanist of Tennessee.