Berberis negeriana is a species of barberry, native and endemic to an extremely small area in coastal range of Bio-Bio Region in Chile. Common name include Neger's barberry and (Chilean Spanish) michay de Neger. It is an evergreen thorny shrub growing to tall. Its flowers are yellow. It is considered a threatened woody shrub and only two natural populations are known, near Concepción, Chile. References External links Pictures of Berberis negeriana and further information (Spanish). negeriana Endemic flora of Chile Flora of central Chile