Robert W. Freckmann Herbarium

  Hypericum pyramidatum Aiton image
Photographer: Merel R. Black           

Botanical Illustration

Botanical Illustration

Derek Anderson

Emmet J. Judziewicz

Merel R. Black

Joshua J. Nemec

Robert W. Freckmann

Robert W. Freckmann
Family Hypericaceae
Hypericum pyramidatum Aiton
giant St. John's-wort, great St. John's-wort
Hypericum: ancient Greek name derived from hyper, "above," and eikon, "picture," from old practice of placing flowers above an image in the house to ward off evil spirits at the midsummer festival of Walpurgisnacht, which later became feast of St. John
pyramidatum: pyramidal
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
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Status: Native
Plant: robust, erect, perennial, 2'-5' tall forb branching near the top
Flower: yellow, 5-parted, 1 1/2"-2 1/3" wide, long-stalked; usually solitary from the ends of the branches; blooms July-Aug.
Fruit:oval capsule with 5 chambers fruit drawing
Leaf:large, stalkless to clasping leaf drawing
Habitat: moist; woods, forests, openings, streambanks

More Information Natural Communities Herbarium Specimens
All Hypericum list Google- Images or Text
Hypericum ascyron L., misapplied

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