(also St. Johns wort)
A herbaceous plant or shrub with distinctive yellow five-petaled flowers and paired oval leaves, used in medicinal preparations to treat various disorders, including depression.
- Genus Hypericum, family Guttiferae: many species, in particular H. perforatum
More example sentences
- Marie-Ange began by lighting the candle, which was a hollow tube infused with honey and herbs including sage, St John's wort and camomile, which are believed to have medicinal and healing properties.
- Psychiatrist Dr David Wheatley has published two independent clinical trials which shows that 60% of patients with mild to moderate depression respond to St John's wort.
- Products such as St John's wort may act as a mild monoamine oxidase inhibitor or as a serotonin reuptake inhibitor.
so named because some species come into flower near the feast day of St. John the Baptist (June 24).