Tripleurospermum ziganaense (Asteraceae, Anthemideae), a new species from north-east Anatolia, Turkey

A new species of Tripleurospermum Sch.Bip., Tripleurospermum ziganaense Inceer & Hayirlioglu-Ayaz (Asteraceae, Anthemideae), is described and illustrated. The species grows in open places, on rocky slopes and on roadsides in north-east Anatolia, Turkey. The diagnostic morphological characters that distinguish it from closely related taxa are discussed, and its conservation status is indicated. (C) 2008 The Linnean Society of London, Botanical Journal of the Linnean Society, 2008, 158, 696-700.