Silphium perfoliatum var. connatum

(Linnaeus) Cronquist

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 20:35, 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

Discussion

Variety connatum is known only from New River Valley.

Selected References

None.

Lower Taxa

None.