Hypericum tetrapterum
Square St. John's Wort, Square Stalked St John's Wort
Also known as: Holosepalum quadrangulum (L.) Fourr. +19 more
- Holosepalum quadrangulum (L.) Fourr.
- Hypericum acutum f. humile (Boenn.) Hegi
- Hypericum acutum f. patulum (Boenn.) Hegi
- Hypericum acutum Moench
- Hypericum acutum subsp. corsicum (Steud.) Rouy & Foucaud
- Hypericum acutum subsp. tetrapterum (Fr.) F.Herm.
- Hypericum acutum subsp. tetrapterum (Fr.) Maire
- Hypericum acutum var. anagallidioides (Jaub. & Spach) Zohary
- Hypericum acutum var. anagallifolium (Boiss.) Post
- Hypericum acutum var. corsicum (Steud.) Halácsy
- Hypericum acutum var. insulare (Foucaud & Mand.) Briq.
- Hypericum alatum Retz.
- Hypericum ambiguum Kanitz
- Hypericum ambiguum Kit.
- Hypericum anagallidifolium Boiss.
- Hypericum anagallidioides Jaub. & Spach
- Hypericum borbasii Formánek
- Hypericum confertum (Choisy) G.Don
- Hypericum corsicum Steud.
- Hypericum fallax var. quadrangulare (L.) O.Schwarz
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Hypericaceae
- WCVP Morphological Data: Recorded natively as a perennial.
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Originating in Africa, Temperate Asia, and Europe, Hypericum tetrapterum (commonly known as Square St. John's Wort or Square-stalked St John's-Wort) is a herbaceous perennial belonging to the Hypericaceae family. Within its native range, this species is most commonly linked to temperate conditions. There are naturally occurring varieties of this species, which are linked below.
Macro Climate
Temperate
Plant Type
Herbaceous Perennial
Native Range
Continents (WGSRPD)
AFRICA, ASIA-TEMPERATE, EUROPE
Regions (WGSRPD)
Caucasus, Eastern Europe, Middle Europe, Northern Africa, Northern Europe, Southeastern Europe, Southwestern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Albania, Algeria, Austria, Belarus, Belgium, Bulgaria, Corse, Czechoslovakia, Denmark, East Aegean Is., France, Germany, Great Britain, Greece, Iran, Iraq, Ireland, Italy, Kriti, Lebanon-Syria, Libya, Morocco, Netherlands, North Caucasus, Palestine, Poland, Romania, Sardegna, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia
Introduced Range
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
New Zealand North, New Zealand South, Tasmania
Subspecies, Varieties & Forms