St John's Wort (Hypericum spp) is a pretty perennial shrub, typically with bright yellow flowers followed by distinctive clusters of berries. There are hundreds of species, some with medicinal ...

Most gardeners know hypericumas a groundcover that is commonly called creeping St. John’s wort or Aaron’s beard. Native to Turkey and Bulgaria, this species, Hypericum calycinum, is a semi-evergreen ...

This is a close-up of a flower. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any ...

The compounds that give beer some bitter flavor notes also show up in garden flowers–but with more sober jobs. Chemical ecologist Thomas Eisner of Cornell University found some of the bitter beer ...