Taxon: Hypericum tetrapterum Fr.

Common names:

• square-stalk St. John's-wort   (Source: BSBI 2007) – English
  
• St. Peter's-wort   (Source: Econ Pl Aust ) – English
  
• hipérico   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  
• hipéricum   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  

Economic importance:

• Weed: also potential seed contaminant   (fide Econ Pl Aust)
  

Distributional range:

• AFRICA
  Northern Africa: Algeria [n.]
• ASIA-TEMPERATE
  Western Asia: Iran [n.]; Iraq; Israel; Lebanon; Syria; Turkey
  Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Stavropol
• EUROPE
  Northern Europe: Denmark; Ireland; Sweden [s.]; United Kingdom - England, Scotland, Wales
  Middle Europe: Austria; Belgium; Czech Republic; Germany; Netherlands; Poland; Slovakia; Switzerland
  East Europe: Ukraine [w. & Krym]
  Southeastern Europe: Albania; Bosnia and Herzegovina; Bulgaria; Former Yugoslavia; Greece; Italy [incl. Sardinia, Sicily]; Macedonia; Romania; Slovenia
  Southwestern Europe: France [incl. Corsica]; Spain

• AUSTRALASIA
  Australia: Australia

References:

• Botanical Society of the British Isles. 2007. BSBI checklist. (BSBI)
• Davis, P. H., ed. 1965–1988. Flora of Turkey and the east Aegean islands. (F Turk)
• Greuter, W. et al., eds. 1984–. Med-Checklist. (L Medit) [= H. quadrangulum L.].
• Groth, D. 2005. pers. comm. [re. Brazilian common names].
• Komarov, V. L. et al., eds. 1934–1964. Flora SSSR. (F USSR) [= H. acutum Moench].
• Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia. (Econ Pl Aust)
• Liberty Hyde Bailey Hortorium. 1976. Hortus third. (Hortus 3)
• Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia. (Noxweed Aust)
• Rechinger, K. H., ed. 1963–. Flora iranica. (F Iran)
• Robson, N. K. B. 2002. Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum. Bull. Nat. Hist. Mus. London, Bot. 32(2):80–84.
• Townsend, C. C. & E. Guest. 1966–. Flora of Iraq. (F Iraq)
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea. (F Eur)
• Willis, J. H. 1970–1972. A handbook to plants in Victoria. (F VictWillis)
• Zohary, M. & N. Feinbrun-Dothan. 1966–. Flora palaestina. (F Palest) [= H. acutum Moench].

More:

Search AGRICOLA article citation database for citations referencing Hypericum tetrapterum.

Search NCBI's Entrez search engine for PubMed citations referencing Hypericum tetrapterum. Note: Defaults to a search by genus or species epithet if species binomial not found.

Synonyms:

• (≡) Hypericum acutum Moench
  
• (=) Hypericum quadrangulum L.
  

Check other databases for Hypericum tetrapterum Fr.:

• Flora Europaea: Database of European Plants (ESFEDS)
• AVH: Australia's Virtual Herbarium Map Display Interface
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  Note: Defaults to a search by genus or species epithet if species binomial not found.

Images:

• GRIN Images of germplasm accessions.

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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