Flower ID: IMG_0860.JPG-06-25-2017 Flower name (scientific): Hypericum perforatum subsp. perforatum Linnaeus PY: 1753 Flower name (common): Common St. Johnswort Family name (common): St John's wort Family name (scientific): Hypericaceae Scientific name origin: Genus: Specific epithet: Common name origin: Flower description: Size: 0.6 to 1.0 inches ( 1.5 to 2.5 cm) Petal count: 5 Color: yellow Other: flower arrangement, Cluster-cyme Plant description: Size: 24 to 36 inches ( 61. to 91. cm) Stem hairy: Other: Leaf description: attachment is opposite, type is simple Size: Color: Hairy: Other: Shape: leaf, oblong or elliptic to lanceolate-elliptic or linear (FNA) Origin (native, introduced, invasive): Native Status (common, uncommon, threatened, rare): Common Bloom time (typical): June to September Cycle (annual, biennial, perennial): Perennial Habitat: Fruit: Seed: Importance to wildlife: How to differentiate related subspecies: Ethnobotany: Latitude: Longitude: Altitude: Distribution: In Wisconsin: In US: In Canada: References: