Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Sumpweed at Vascular Plants of North Carolina.
Sumpweed, Rough Marsh-elder, Annual Marsh-elder
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Eva Pratt esp092212_photo_22
Leaves opposite, ovate, coarsely serrate, pubescent on both surfaces, per Vascular Flora of the Carolinas.
Richard and Teresa Ware rtw_iva_annua_4
Racemes 3-16cm long. Heads pendant, each head subtended by a foliaceous bract, per Vascular Flora of the Carolinas.
Native to Georgia
Habitat: Fields, especially bottomlands, disturbed places; in the eastern and inland part of area probably introduced (by native Americans) from farther west, per Weakley's Flora
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
Disc: Cream-colored/ Greenish-white
Rays: Absent or less than 3mm
Unisexual, in mixed heads
Staminate corollas distinctly 5-lobed
5 stamens in staminate flowers
TO LEARN MORE about this plant, look it up in a good book!