Hypericum kalmianum, commonly known as Kalm's St. John's Wort or Kalm's Hypericum, is a deciduous shrub native to North America. It belongs to the Hypericaceae family. This shrub is appreciated for its attractive yellow flowers and is often cultivated in gardens and landscapes. Here's some information about Hypericum kalmianum:
Appearance:
Leaves: The leaves of Hypericum kalmianum are typically elliptical or oblong, about 1-2 inches long. They are dark green and arranged in opposite pairs along the stems.
Flowers: The flowers are bright yellow with five petals and numerous stamens. They are about 1 inch in diameter and appear in clusters at the tips of the branches. The flowers are often present in late spring to early summer.
Fruit: After flowering, Hypericum kalmianum produces small, round, berry-like fruits that turn from green to red and eventually black as they mature.