Flower ID: IMG_5331.JPG-07-09-2025 Flower name (scientific): Hypericum kalmianum Flower name (common): Kalm's St. John's-wort Family name (common): St. John's-wort Family name (scientific): Hypericaceae Scientific name origin: Genus: Specific epithet: Common name origin: Flower description: Size: 0.5 to 1.0 inches ( 1.3 to 2.5 cm) Petal count: 5 Color: yellow Other: flower arrangement, Cluster-flat Plant description: Size: 8 to 24 inches ( 20. to 61. cm) Stem hairy: Other: Leaf description: attachment is opposite, type is simple Size: Color: Hairy: Other: Shape: leaf, narrowly oblong to oblanceolate or linear (FNA) Origin (native, introduced, invasive): Native Status (common, uncommon, threatened, rare): Common Bloom time (typical): July to August Cycle (annual, biennial, perennial): Perennial Habitat: Fruit: Seed: Importance to wildlife: Similar species (if any): Ethnobotany: Latitude: Longitude: Altitude: Distribution: In Wisconsin: (Adams, Bayfield, Brown, Clark, Columbia, Dane, Door, Eau Claire, Green Lake, Jackson, Juneau, Kenosha, Kewaunee, La Crosse, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Outagamie, Portage, Sauk, Shawano, Taylor, Walworth, Waukesha, Waushara, Wood) Click here for distribution map In US: (DC, IL, IN, MI, NY, OH, WI) Click here for distribution map In Canada: (ON, QC) Click here for distribution map References: Synonym(s): Basionym: Homotypic Synonym(s): Heterotypic Synonym(s): Autonym(s): Wetland Status (NC): Wetland Status (MW):