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Eupatorium pilosum - (image 1 of 4)

Taxonomy

Family: Asteraceae

Habitat

Wet places.

Associates

.

Distribution

MA to VA and FL, west to eastern KY, southern TN, and MS.

Morphology

Perennial from a short rhizome or crown; stems 30-150 cm; leaves pubescent with spreading, short and soft hairs, often atomiferous-glandular as well, sessile or subsessile, lanceolate or lance-ovate to elliptic-ovate, mostly coarsely and unevenly toothed; lower and middle leaves opposite; upper leaves and main branches of the inflorescence often alternate; involucres 4.5-6.5 mm; involucral bracts imbricate, sharply acute to obtuse, villous-puberulent and often atomiferous-glandular as well; flowers 5, white.

Notes

Flowers July to September

Wetland indicator: FACW

Relatively easy to distinguish from other similar Eupatorium spp. by the coarsely toothed leaves that develop reddish veins in sunny habitats.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

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