Silphium perfoliatum var. connatum

(Linnaeus) Cronquist

Brittonia 29: 223. 1977.

Basionym: Silphium connatum Linnaeus
Synonyms: Silphium perfoliatum subsp. connatum (Linnaeus) Cruden
Treatment appears in FNA Volume 21. Treatment on page 79.
Revision as of 00:55, 27 July 2019 by FNA>Volume Importer
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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.