Dig deeper at SERNEC, a consortium of southeastern herbaria.
In addition to a great number of leaves, this has numerous small leaves as fascicles in the leaf axils; other Agalainis species do not show axillary leaves. Read more at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Manual of the Southeastern Flora (Small, 1933)
Fascicled Purple Gerardia, Southeastern Agalinis, Beach False Foxglove, Fascicled Gerardia
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