{"id":9688,"date":"2023-12-01T20:26:43","date_gmt":"2023-12-01T19:26:43","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=9688"},"modified":"2023-12-26T22:48:59","modified_gmt":"2023-12-26T21:48:59","slug":"russula-ochroleuca","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-ochroleuca\/","title":{"rendered":"Russula ochroleuca"},"content":{"rendered":"

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Russula ochroleuca<\/em><\/strong> Pers<\/strong>., Observationes mycologicae 1: 102. 1796<\/p>\n

MycoBank: 211825<\/span><\/a><\/p>\n

Caracteres macrosc\u00f3picos. P\u00edleo<\/em> de 40 – 120 mm primero hemisf\u00e9rico, despu\u00e9s convexo, pronto extendido y un poco deprimido; margen espeso, incurvado, ondulado; superficie pileica separable hasta la mitad, h\u00fameda, brillante en tiempo h\u00famedo, amarilla, amarillo citrino, ocre-amarillento, con zonas naranjas, con tonos gris-verdoso hacia el disco. L\u00e1minas<\/em> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0apretadas, intervenadas o bifurcadas, obtusas en el margen, muy friables, anchas de hasta x 10 mm, redondeadas a m\u00e1s o menos libres en la inserci\u00f3n, crema p\u00e1lido; arista entera, concolor. Est\u00edpite<\/em> de 40-80 \u00d7 8-25 mm, m\u00e1s o menos cil\u00edndrico, firme, primero lleno, despu\u00e9s esponjoso, rugoso, blanquecino, tomando tonos grises en la madurez o al estar embebido, manch\u00e1ndose de ocre-naranja hacia la base. Contexto<\/em> espeso, firme, quebradizo, blanquecino, gris\u00e1ceo en el est\u00edpite; olor suavemente afrutado, sabor ligeramente acre. Reacciones macroqu\u00edmicas<\/em>: Guayaco de intensidad alta y r\u00e1pida, Sulfato de hierro rosa anaranjado p\u00e1lido.<\/span><\/p>\n

Caracteres microsc\u00f3picos. Basidi\u00f3sporas<\/em> de ((7,1) 8,1 \u00b1 0,47 (8,6) x (6,2) 6,6 \u00b1 0,44 (7,3) \u03bcm; Q = (1,1) 1,2 \u00b1 0,05 (1,4); subglobosas a ovoides, con gruesa ap\u00edcula, con gruesas verrugas obtusas o c\u00f3nicas de hasta 1,5 \u00b5m, aisladas o unidas con finos conectivos. Esporada blanca. Cistidios<\/em> de hasta 90 \u00d7 10 \u00b5m, abundantes, subcil\u00edndricos o fusiformes, rematados en el \u00e1pice con un corto ap\u00e9ndice, con reacci\u00f3n poco intensa a la sulfovainillina. Pileipellis<\/em> formada por largos pelos cil\u00edndricos, delgados, obtusos, de hasta \u00d75\u00b5m, incrustados de un pigmento amarillo-dorado, con finas l\u00edneas transversales que dan un aspecto cebrado. Dermatocistidios<\/em> no observados.<\/span><\/p>\n

Ecolog\u00eda. En verano y oto\u00f1o, en bosques de frondosas y de con\u00edferas, en suelos \u00e1cidos, desde nivel del mar al piso montano. Distribuci\u00f3n. Relativamente frecuente, C. Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/span><\/p>\n

Citar como: MU\u00d1OZ, J. A. (2023). Russula ochroleuca<\/em> Pers., micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 793 (Actualizada el 01-XII-2023). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Russula-ochroleuca\/<\/a><\/span><\/p>\n<\/div>

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