{"id":10666,"date":"2024-08-28T22:57:30","date_gmt":"2024-08-28T21:57:30","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=10666"},"modified":"2024-08-30T09:23:16","modified_gmt":"2024-08-30T08:23:16","slug":"butyriboletus-fechtneri","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/butyriboletus-fechtneri\/","title":{"rendered":"Butyriboletus fechtneri"},"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 style=\"text-align: justify;\"><strong><em>Butyriboletus fechtneri<\/em><\/strong><strong> (Velen.) D. Arora &amp; J.L. Frank, <\/strong>Mycologia 106 (3): 466. 2014<\/p>\n<p style=\"text-align: justify;\">Mycobank: <a href=\"https:\/\/www.mycobank.org\/MB\/803320\">\u00a0<span style=\"color: #0000ff;\">803320<\/span><\/a><\/p>\n<p style=\"text-align: justify;\">Caracteres macrosc\u00f3picos. <em>P\u00edleo<\/em> de 60-150 mm, carnoso, hemisf\u00e9rico o globoso, despu\u00e9s convexo, por \u00faltimo, plano convexo; margen ligeramente enrollado al principio, un poco excedente; superficie pileica inicialmente un poco pruinosa, mate o un poco untosa en tiempo h\u00famedo, de color crema-blanquecino, gris-beige, marr\u00f3n claro, marr\u00f3n-gris\u00e1ceo, ocasionalmente con tonalidades rosadas, sobre todo en ejemplares h\u00famedos y hacia el margen. <em>Himen\u00f3foro<\/em> con tubos de 6 &#8211; 15 mm de longitud, de adnatos a sublibres, amarillos, despu\u00e9s amarillo-verdoso, azuleando; poros finos, redondos, muy peque\u00f1os, de color primero amarillo vivo, m\u00e1s tarde amarillo verdoso, azules a la presi\u00f3n. <em>Est\u00edpite<\/em>. \u00a0de 60-120 \u00d7 20 50 mm, robusto, pronto m\u00e1s esbelto, claviforme y un poco radicante; de color amarillo, ocre-amarillo hacia la base y con la edad; normalmente adornado con una caracter\u00edstica banda de color rojo- rosa o rosado en la mitad inferior, en algunos casos puede estar ausente o poco marcada; ret\u00edculo fino y apretado, de color amarillo-vivo reducido a la parte alta del est\u00edpite. <em>Contexto<\/em>. Firme, de color amarillo claro, azul al corte, m\u00e1s intenso cerca de los tubos y parte alta del est\u00edpite y p\u00edleo; olor afrutado; sabor poco apreciable.\u00a0<\/p>\n<p style=\"text-align: justify;\"><em>Caracteres microsc\u00f3picos<\/em>. <em>Basidiosporas<\/em> de (11,7) 13,5 \u00b1 1,2 (15,0) \u00d7 (4,5) 5,2 \u00b1 0,35 (5,9) \u00b5m, Q = (2,3) 2,6 \u00b1 0,2 (2,9), fusiformes, el\u00edpticas, gutuladas, lisas, con paredes espesas, ocre-amarillentas. Esporada de color pardo oliv\u00e1ceo. Cistidios de 30-50 \u00d7 8-15 \u00b5m, fusiformes, clavados, ventrudos, algunos terminados en tetina. <em>Pileipellis<\/em> formada por una tricodermis de hifas irregularmente entremezcladas, largas, cil\u00edndricas, septadas, finamente incrustadas, pigmento intracelular amarillo-ocre, juntas sin f\u00edbulas; elementos terminales con los art\u00edculos m\u00e1s o menos erectos, largos, cilindr\u00e1ceos, algunos un poco claviformes, con el \u00e1pice redondeado, de 30,5 &#8211; 58,5 \u00d7 2,5 &#8211; 5,5 \u00b5m, Q = 7,1 &#8211; 19,5.<\/p>\n<p style=\"text-align: justify;\">Ecolog\u00eda. Aislado o en peque\u00f1os grupos, en verano y principios de oto\u00f1o en bosques de frondosas, sobre todo con <em>Fagus sylvatica, Quercus faginea<\/em> y <em>Castanea sativa<\/em>, m\u00e1s raramente con <em>Abies alba<\/em>. Term\u00f3filo, con preferencia por los terrenos b\u00e1sicos. Distribuci\u00f3n. Poco frecuente y localizado. RR.\u00a0Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n<p style=\"text-align: justify;\">Citar como: MU\u00d1OZ, J. A. (2024). <em>Butyriboletus fechtneri<\/em> (Velen.) D. Arora &amp; J.L. Frank, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 863 (Actualizada el 29-VIII-2024). ISSN 2660-633X. [consultado el xx\/xx\/xxx]<span style=\"color: #000000;\"> <a style=\"color: #000000;\" href=\"https:\/\/micologica-barakaldo.org\/Butyriboletus-fechtneri\/\">https:\/\/micologica-barakaldo.org\/Butyriboletus-fechtneri\/<\/a><\/span><\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:48%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" 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