{"id":9773,"date":"2023-12-13T20:11:25","date_gmt":"2023-12-13T19:11:25","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=9773"},"modified":"2023-12-13T20:11:25","modified_gmt":"2023-12-13T19:11:25","slug":"russula-grisea-2","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-grisea-2\/","title":{"rendered":"Russula grisea"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-bottom:50px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:48%; margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\"><p>&nbsp;<\/p>\n<p><strong><em>Russula grisea<\/em><\/strong><em>\u00a0<\/em><strong>Fr.<\/strong>,\u00a0<em>Epicr. syst. mycol.<\/em>\u00a0(Upsaliae): 361 (1838) [1836-1838]<\/p>\n<p>MycoBank: <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/www.mycobank.org\/MB\/193670\">193670<\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Caracteres macrosc\u00f3picos. <em>P\u00edleo <\/em>de 50-110 mm de di\u00e1metro, primero convexo, despu\u00e9s extendido e incluso deprimido; margen incurvado, ondulado, ligeramente acanalado en la madurez, superficie pileica, separada hasta la mitad o un tercio del radio, brillante, lubrificada en tiempo h\u00famedo, de color variable, gris oscuro viol\u00e1ceo, gris acero o gris azulado, en ocasiones con manchas ocr\u00e1ceas o m\u00e1s aclaradas, en la periferia, los tonos predominantes son vinosos o vinoso viol\u00e1ceos. <em>L\u00e1minas<\/em> muy apretadas al principio, m\u00e1s separadas con la edad, anchas, adnato-atenuadas, muy quebradizas, no lard\u00e1ceas, de color primero blanquecino crema, despu\u00e9s crema ocr\u00e1ceo, arista entera concolor o con tonos viol\u00e1ceos hacia el margen del p\u00edleo. <em>Est\u00edpite <\/em>de hasta 60 \u00d7 25 mm, cil\u00edndrico, a menudo corto, lleno, blanco, algunas veces tintado de rosa viol\u00e1ceo, se mancha de pardo amarillento hacia la base. <em>Contexto<\/em> espeso, quebradizo, blanco, rosa viol\u00e1ceo bajo la epicutis, olor poco apreciable, sabor dulce, l\u00e1minas con sabor un poco acre. Reacciones macroqu\u00edmicas: SO4Fe, rosa anaranjado vivo instant\u00e1neo.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Caracteres microsc\u00f3picos. <em>Basidi\u00f3sporas<\/em> de (6,9) 7,4 \u00b1 0,33 (8,3) \u00d7 (5,9) 6,3 \u00b1 0,24 (6,8) \u03bcm\/ Q = (1,1) 1,2 \u00b1 0,05 (1,3), subglobulosas, elipsoidales, verrugosas, con verrugas c\u00f3nicas o c\u00f3nico truncadas, de hasta \u00d71,5 \u00b5m, se observan finas conexiones entre ellas que dan un cierto aspecto reticulado irregular. Esporada crema. <em>Cistidios<\/em> de hasta 105 \u00d7 15 \u00b5m, fusiformes o claviformes, con un peque\u00f1o ap\u00e9ndice en la parte superior, con reacci\u00f3n en\u00e9rgica a la sulfovainillina. <em>Pileipellis<\/em> formada por: a) pelos en general ramificados, con septos m\u00e1s o menos cortos, elementos terminales obtusos, de hasta \u00d76 \u00b5m, b) dermatocistidios abundantes, de cil\u00edndricos a claviformes, reaccionado fuertemente en negro a la sulfovainillina, de hasta \u00d712\u00b5m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Ecolog\u00eda. En verano y oto\u00f1o, en bosques de frondosas (<em>Quercus<\/em> y <em>Fagus<\/em>), en suelos calc\u00e1reos.\u00a0 Distribuci\u00f3n. Poco frecuente, R.\u00a0Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Citar como: MU\u00d1OZ, J. A. (2023). <em>Russula grisea<\/em>\u00a0Fr., micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 797 (Actualizada el 13-XII-2023). ISSN 2660-633X. 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