Collinsonia verticillata Baldwin. Common name: Whorled Horsebalm. Phenology: Late Apr-early Jun; Jun-Jul. Habitat: Rich forests, ranging from moist (cove) forests to rather dry oak forests over mafic or calcareous rocks. Distribution: Sc. VA west to e. TN, south to w. NC, nw. SC, c. GA, and MS; disjunct in s. OH. The range is strangely scattered and fragmented.
Origin/Endemic status: Endemic
Synonymy ⓘ: = C, G, K4, RAB, Tn, Va, W, Peirson, Cantino, & Ballard (2006), Shinners (1962b); = Micheliella verticillata (Baldwin) Briq. — F, S. Basionym: Collinsonia verticillata Baldwin 1817
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Heliophily ⓘ: 3
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Horticultural Information
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