{"id":7272,"date":"2022-11-10T21:21:15","date_gmt":"2022-11-10T20:21:15","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=7272"},"modified":"2022-11-10T21:21:15","modified_gmt":"2022-11-10T20:21:15","slug":"xerocomus-ferrugineus","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/xerocomus-ferrugineus\/","title":{"rendered":"Xerocomus ferrugineus"},"content":{"rendered":"

Xerocomus ferrugineus<\/em> (Schaeff.) Bon, Doc. Mycol. 14 (56): 16. (\u201c1984\u201d), 1985<\/span><\/p>\n

\u2261Boletus ferrugineus<\/em> Schaeff., Fungorum qui in Bavaria et Palatinatu circa Ratisbonam nascuntur Icones 4: 85, t. 126, 1774 [basionym]<\/span><\/p>\n

=Boletus spadiceus<\/em> Fr., Epicr. 415, 1838<\/span><\/p>\n

=Boletus lanatus<\/em> Rostk., Deutschlands Flora, Abt. III. Die Pilze Deutschlands 5-21\/22: 77, t. 21, 1844<\/span><\/p>\n

=Boletus citrinovirens<\/em> Watling, Notes from the Royal Botanical Garden Edinburgh 29: 266, 1969<\/span><\/p>\n

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de 60-120 (140) mm de di\u00e1metro; primero globoso, m\u00e1s tarde convexo extendido; superficie pileica afieltrada, seca y mate, de color primero marr\u00f3n oscuro, marr\u00f3n ferrug\u00edneo, rojizo marr\u00f3n, amarillo oliv\u00e1ceo, marr\u00f3n claro a marr\u00f3n oliv\u00e1ceo en tiempo seco; margen agudo, un poco excedente, m\u00e1s p\u00e1lido. Himen\u00f3foro con tubos separables, adnatos a adnato-decurrentes, amarillos, amarillo oliv\u00e1ceo en la madurez; poros compuestos, irregulares y poligonales, concolor a los tubos. Est\u00edpite de 40-100 x 10-30 mm esbelto, raramente robusto, cilindr\u00e1ceo, atenuado en la base, seco; de color amarillo p\u00e1lido a amarillo ocre, que tiende con la edad a oscurecerse en tonos marr\u00f3n ferruginoso o rojizo marr\u00f3n, con esfumaciones ferrug\u00edneas m\u00e1s o menos amplias, a veces m\u00e1s intensas hacia el \u00e1pice y otras hacia la base; en ocasiones presenta un ret\u00edculo irregular en la parte alta de color ferrug\u00edneo hifas miceliares de la base amarillas. Contexto primero firme, pronto blando, fibroso en el est\u00edpite, blanquecino, algo amarillento cerca de los tubos, ocr\u00e1ceo en las heridas de las larvas, se mancha d\u00e9bilmente de azul claro sobre todo cerca de los tubos; sabor y olor no destacables.<\/span><\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de (10,2) 12,2 \u00b1 0,80 (14,4) x (3,7) 4,3 \u00b1 0,30 (4,8) \u00b5m; Q = (2,5) 2,8 \u00b1 0,20 (3,3) fusiformes, subfusiformes a largamente el\u00edpticas, con breve depresi\u00f3n suprapical, lisas, con paredes espesas, amarillentas en KOH al 3%. Queilocistidios de 35-50 x 8-12 \u00b5m, fusiformes, acabados en tetina. Pileipellis de tipo tricodermis, m\u00e1s o menos en empalizada, con hifas subparalelas, largas, cil\u00edndricas, septadas, juntas sin f\u00edbulas; art\u00edculos terminales erectos, de cortos a largos, redondeados, cilindr\u00e1ceos o un poco apuntados, de calibre 10-20 x 4-8 \u00b5m, Q = 2,2 – 5,3, con finas incrustaciones visibles en KOH al 3%.<\/span><\/p>\n

Ecolog\u00eda<\/em>. \u00a0En verano y oto\u00f1o, en suelos de tendencia \u00e1cida, bajo Fagus sylvatica, Quercus, Betula, Picea <\/em>y Pinus sp<\/em>.\u00a0<\/span><\/p>\n

Citar como: Mu\u00f1oz, J.A. 2022. Xerocomus ferrugineus<\/em> (Schaeff.) Bon,\u00a0micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, n\u00ba 704 (Actualizada el 10-XI-2022). Disponible en: \u00a0https:\/\/micologica-barakaldo.org\/Xerocomus-ferrugineus\/<\/a><\/span><\/p>\n<\/div>

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