Scientific Name (Species, Family): Hypericum perforatum, Hypericaceae
Common name(s): St. John's wort
Type of reproductive material: Seed
Weight of 100 seeds: 0.012 g / 0.00042 oz
Plant life cycle: Perennial
Plant Part commercially exploited: Flowers
Average Yield potential tons per hectare: 2.5 (dry matter) Outdoors