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Abstract
Phellinus caribaeo-quercicolus sp. nov. is described from several collections made in western Cuba, so far exclusively on Quercus cubana. The species is characterized by a perennial, resupinate basidiomes, cushion-shaped to nodulose and multilayered when old, apically hooked to hamate hymenial setae, and ellipsoid to broadly ellipsoid, thin- to thick-walled, hyaline to faintly yellowish basidiospores, 4.5–5.5 × 3.5–4.5 μm. The species is compared to other Phellinus species with hooked setae, especially Phellinus undulatus, also recorded in Cuba. The preliminary phylogenetic relationships of Ph. caribaeo-quercicolus within the poroid Hymenochaetales complex of genera is presented and discussed here.
The authors gratefully acknowledge the financial support received from the Conseil Inter-Universitaire de la Communauté Française de Belgique, Commission Universitaire pour le Développement (project CIUF-CUD-MUCL-Cuba); Cony Decock also gratefully acknowledges the financial support received from the Belgian Federal Science Policy Office (contract BCCM C2/10/007 and C3/10/003) and from the Fonds de la Recherche Fondamentale Collective (contract 2.4551.99). The Thai specimen MUCL 45929 was collected in northern Thailand during a field expedition kindly organized by BIOTEC (Thailand) and Prof. Gareth Jones (BIOTEC). Thanks also go to the facilities and staff of the University of Hong Kong’s Mushroom Research Center at Chiang Mai, to whom we are grateful. The Thai specimen MUCL 44666 was collected during a workshop on basidiomycete diversity organized by and thanks to an invitation from Prof. Sureelak Rodtong, Suranaree University of Technology. Cony Decock also thanks the directors of MUCL and MBLA for providing facilities and continuous encouragement. Sara Herrera Figueroa thanks the Cuban Ministry of Science, Technology and Environment for providing facilities and financial support. The authors also sincerely thank these instutions, directors and staffs for their invaluable help during field trips and with facilities: the area protegida de recursos manejados “Mil Cumbres”, especially R. Carbonell Paneque; the Sierra del Rosario Biological Station, especially the director, Dr Maritza Rodriguez; and the Forestry University of San Andrés,.