Hypericum tetrapterum

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Hypericum tetrapterum
Hypericum spp Sturm59.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Species: H. tetrapterum
Binomial name
Hypericum tetrapterum

Hypericum quadrangulum

Hypericum tetrapterum (syn. H. quadrangulum) is a species in the genus Hypericum, in the family Hypericaceae. Its common names include St. Peter's Wort, Peterwort, Square Stemmed St. John's Wort, and Square Stalked St. John's Wort.