Difference between revisions of "Eupatorium rotundifolium var. ovatum"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 178. 1836.
Basionym: Eupatorium ovatum Bigelow Fl. Boston. ed. 2, 296. 1824
Synonyms: Eupatorium pubescens Muehlenberg ex Willdenow
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Revision as of 19:46, 24 September 2019
Leaf blades 3-nerved distal to bases, 30–70 × 30–60 mm, broadest near middles, bases broadly cuneate to cuneate, margins serrate. 2n = 20, 30.
Phenology: Flowering Jul–Aug.
Habitat: Moist, low ground, roadsides, sandy soils
Elevation: 10–200+ m
Distribution
![V21-1184-distribution-map.gif](/w/images/9/90/V21-1184-distribution-map.gif)
Ala., Ark., Conn., Del., D.C., Fla., Ga., Ky., La., Md., Mass., Miss., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Va., W.Va.
Discussion
Variety ovatum is an apomictic polyploid that may be a derivative of Eupatorium rotundifolium and E. sessilifolium. Morphologically, it is closer to E. rotundifolium than to E. sessilifolium; the name E. pubescens has priority at species rank.
Selected References
None.
Lower Taxa
None.