A new endemic species of Epipactis (Orchidaceae) from north-east Portugal

Abstract

A new species, Epipactis duriensis Bernardos, D. Tyteca, Revuelta & Amich is described and illustrated from north-east Portugal. Notes on its distribution, ecology, karyology, micromorphology and taxonomic relationships are presented as well as molecular data based on ITS analysis. A list of diagnostic differences between E. duriensis and the closely related species E. lusitanica and E. tremolsii is provided. © 2004 The Linnean Society of London, Botanical Journal of the Linnean Society, 2004, 145, 239–249.