Eupatorium cordigerum (Fernald) Fernald
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Detail
- Family
- Asteraceae
- Botanical Name
- Eupatorium cordigerum (Fernald) Fernald
- Common Name
- Clasping Round-leaf Thoroughwort
- Synonym(s)
- Eupatorium rotundifolium L. var. cordigerum Fernald
- Flora of Virginia Name/Status
- Eupatorium cordigerum (Fern.) Fern.
- Comments
- This somewhat obscure taxon has been variously considered a hybrid, a variety of Eupatorium rotundifolium L., or a species. According to Flora of the Southeastern U.S., it is an apomictic, polyploid derivative of the hybrid E. perfoliatum × rotundifolium. See Comments under map of E. rotundifolium.
- Habitat
- Marsh edges, open swamps, bogs, and boggy clearings. Apparently rare in the Coastal Plain; additional field and herbarium studies are needed because this taxon has often been confused with Eupatorium rotundifolium.
- Native Status
- Native
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