Hypericum denticulatum
PlantsFamily: Hypericaceae · Genus: Hypericum

Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute. · public_domain
About
Hypericum denticulatum, the coppery St. John's Wort, is a perennial herb in the flowering plant family Hypericaceae. It is native to the Eastern United States. The species has two varieties, H. denticulatum var. recognitum and H. denticulatum var. acutifolium. The herb has a diploid number of 24 or 48.
Summary from Wikipedia
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Growing details and traits for Hypericum denticulatum in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.