Onopordum myriacanthum subsp. arachnoideum comb.&stat. nov. (Asteraceae: Cardueae)

Abstract

Turkish endemic taxon Onopordum bracteatum Boiss.&Heldr. var. arachnoideum Erik&Sümbül is transferred to O. myriacanthum Boiss. as O. myriacanthum subsp. arachnoideum (Erik&Sümbül) Pinar&Behçet comb.&stat. nov. It is characterized by the phyllaries with densely and persistently arachnoid hairs both inside and outside, and upper stem leaves are 2-8 cm far from capitulum. In addition, the pollen characteristics and achene features are presented. The conservation status of O. myriacanthum subsp. arachnoideum has been assessed according to IUCN criteria. A distribution map of O. myriacanthum subsp. arachnoideum and its related taxa is also presented. © 2014 Bangladesh Association of Plant Taxonomists.