Noun
A shrub of the genus Berberis, common along roadsides and in neglected fields. B. vulgaris is the species best known; its oblong red berries are made into a preserve or sauce, and have been deemed efficacious in fluxes and fevers. The bark dyes a fine yellow, esp. the bark of the root.
Source: Webster's dictionaryThe sporidia from the winter spores germinated, but only on barberry. Source: Internet
De Bary’s discovery explained why the eradication of the barberry plants had long been practiced as a control for rust. Source: Internet