Silphium perfoliatum var. connatum
Brittonia 29: 223. 1977.
Basionym: Silphium connatum Linnaeus Mant. Pl., 574. 1771
Synonyms: Silphium perfoliatum subsp. connatum (Linnaeus) Cruden
Treatment appears in FNA Volume 21. Treatment on page 79.
Revision as of 19:35, 16 December 2019 by FNA>Volume Importer
Stems glabrous or sparsely scabrous. Peduncles glabrous. 2n = 14.
Phenology: Flowering summer–early fall.
Habitat: River bottoms
Elevation: 50–500 m
Distribution
N.C., Va., W.Va.
Discussion
Variety connatum is known only from New River Valley.
Selected References
None.
Lower Taxa
None.