Silphium terebinthinaceum var. terebinthinaceum
Endemic
Synonyms: Silphium rumicifolium Small Silphium terebinthinaceum var. lucy-brauniae
Leaf blades not lobed (margins entire or toothed). 2n = 14.
Phenology: Flowering mid summer–early fall.
Habitat: Wet or dry prairies, fens, disturbed sites free of underbrush
Elevation: 100–500 m
Distribution
Ont., Ala., Ark., Ga., Ill., Ind., Iowa, Ky., Mich., Miss., Mo., Nebr., N.Y., N.C., Ohio, S.C., Tenn., Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.