Hypericum perforatum (St John's Wort) is a species of perennial herb in the family Hypericaceae. It has a self-supporting growth form. It is associated with freshwater habitat. St John's Wort is native to India, Germany, Russia, Greece, Armenia, Kyrgyzstan, Finland, Italy, Iraq, Spain, Croatia, Morocco, Pakistan, Bulgaria, Israel, Yugoslavia, Lebanon, France, Kazakhstan, Poland, Sweden, Cyprus, Lithuania, Iran, Austria, China, Norway, Tunisia, Slovenia, Syria, Azerbaijan, Belgium, Romania, Ireland, United Kingdom, Turkmenistan, Macedonia, Malta, Sudan, Hungary, Estonia, Portugal, Algeria, Uzbekistan, Czech Republic, the Netherlands, Tajikistan, Saudi Arabia, Georgia, Andorra, Gibraltar, Bosnia & Herzegovina, Mongolia, Denmark, Afghanistan, Slovakia, and Albania. It has simple, broad leaves. Flowers are visited by Yellow-banded Bumblebee. St John's Wort is a photoautotroph. Individuals can grow to 0.5 m.
EOL has data for 34 attributes, including: