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HOARY WHITLOWGRASS Draba incana (Brassicaceae) Height to 30cm. Upright, hairy biennial of upland limestone rocks and (rarely) on sand dunes in N. FLOWERS are 3-5mm across with 4 slightly notched white petals (Jun-Jul). FRUITS are cylindrical but twisted. LEAVES are lanceolate; untoothed ones in basal rosette plus toothed stem leaves. STATUS-Local, restricted to N Wales, Scotland and NW Ireland.