Melanoseris atropurpurea BWJ7891
Previously sold as Cicerbita sp. BWJ7891. A collection from Sichuan, China. Produces clumps of distinctively lobed foliage and stunning, semi-nodding, mauve-blue flowers in summer, which insects adore (although the flowers only last one day, the plant produces plenty of them). Height to 90 cm. Well-drained soil in a sunny position.