A re-evaluation of the bulbous irises

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Abstract

This paper examines the results of recent morphological and molecular studies on the bulbous irises. The following taxa are discussed: (1) subgenus Scorpiris and its relationship to the bearded irises and subgenus Nepalensis; (2) subgenus Xiphium and the Spuriae -Tenuifoliae alliance; (3) the reticulata irises and their links with the Syriacae.