Hypericum tetrapterum (syn. H. quadrangulum) is a herbaceous perennial plant species in the flowering plant family Hypericaceae. Its common names include St. Peter's wort, Peterwort, square stemmed St. John's wort, and square stalked St. John's wort (sometimes as John's-wort).
From Wikipedia, under CC BY-SA 4.0.
Is it poisonous?
We have no record of Square Stemmed Saint 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 undulatum
- Hypericum maculatum
- Hypericum punctatum
- Hypericum hirsutum
- Hypericum erectum
- Hypericum kamtschaticum
Classification
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Malpighiales
- Family
- Hypericaceae
- Genus
- Hypericum
- Species
- Hypericum tetrapterum
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