Eutrochium purpureum var. purpureum

unknown
Synonyms: Eupatorium amoenum PurshEupatorium falcatum MichauxEupatorium fuscorubrum WalterEupatorium harnedii Steele ex HarnedEupatorium purpureum var. album (Pursh) A. GrayEupatorium purpureum var. amoenum (Michaux) BrittonEupatorium purpureum var. falcatum Alph. WoodEupatorium purpureum var. ovatum (Lamarck) Alph. WoodEupatorium purpureum var. verticillatum (Pursh) FarwellEupatorium trifoliatum unknownEupatorium trifoliatum var. amoenum unknown
Treatment appears in FNA Volume 21. Treatment on page 477.
Revision as of 00:51, 27 July 2019 by FNA>Volume Importer
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Leaves: petioles glabrous; abaxial faces usually glabrous, sometimes sparsely to densely hairy along major veins (hairs fine, simple, 1-cellular). 2n = 20.


Phenology: Flowering late summer–early fall.
Habitat: Rich, open deciduous woodlands, woodland borders, and thickets, wooded ravines, near bases of slopes bordering wet grounds, partial or deep shade
Elevation: 10–1200 m

Distribution

V21-1198-distribution-map.gif

Ont., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

East of the Mississippi River, abaxial leaf faces of var. purpureum tend to be glabrous and rarely pubescent along the major veins. West of the Mississippi (and in the xeric sandhills of South Carolina), abaxial leaf faces are commonly densely pubescent along the major veins.

Selected References

None.

Lower Taxa

None.
Eric E. Lamont +
(Linnaeus) E. E. Lamont +
Eupatorium purpureum +
Ont. +, Ala. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
10–1200 m +
Rich, open deciduous woodlands, woodland borders, and thickets, wooded ravines, near bases of slopes bordering wet grounds, partial or deep shade +
Flowering late summer–early fall. +
Illustrated +  and Endemic +
Eupatorium amoenum +, Eupatorium falcatum +, Eupatorium fuscorubrum +, Eupatorium harnedii +, Eupatorium purpureum var. album +, Eupatorium purpureum var. amoenum +, Eupatorium purpureum var. falcatum +, Eupatorium purpureum var. ovatum +, Eupatorium purpureum var. verticillatum +, Eupatorium trifoliatum +  and Eupatorium trifoliatum var. amoenum +
Eutrochium purpureum var. purpureum +
Eutrochium purpureum +
variety +