Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
Heartleaf Climbing Hempweed
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Patrick D. McMillan pdmmcordifolia_csspc
Quite similar to M. scandens but phyllaries are obtuse or broadly acute, per Wildflowers of the Eastern United States.