Hypericum kalmianum, commonly called Kalm's St. Johns wort or Kalm's St. Johnswort, is a flowering plant in the St. John's wort family Hypericaceae. It is native to the Great Lakes region in the northern United States and southern Canada. Hypericum kalmianum was named after its discoverer, Swedish botanist Pehr Kalm (1715–1779).
From Wikipedia, under CC BY-SA 4.0.
Is it poisonous?
We have no record of Kalm's St. John's-wort being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.
Easily confused with
- Hypericum swinkianum
- Hypericum dolabriforme
- Hypericum lobocarpum
- Hypericum densiflorum
- Hypericum sphaerocarpum
Classification
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Malpighiales
- Family
- Hypericaceae
- Genus
- Hypericum
- Species
- Hypericum kalmianum
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