{"id":6759,"date":"2022-05-10T20:05:55","date_gmt":"2022-05-10T19:05:55","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=6759"},"modified":"2022-05-10T21:07:26","modified_gmt":"2022-05-10T20:07:26","slug":"butyriboletus-regius","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/butyriboletus-regius\/","title":{"rendered":"Butyriboletus regius"},"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 style=\"text-align: justify;\"><em>Butyriboletus regius<\/em> (Krombh.) D. Arora &amp; J.L. Frank, Mycologia 106(3): 466. 2014<\/p>\n<p style=\"text-align: justify;\">\u2261<em>Boletus regius<\/em> Krombh., Naturgetr. Abbild. Beschr. Schw\u00e4mme (Prague) 2: 3. 1832 [basion.]<\/p>\n<p style=\"text-align: justify;\">\u2261<em>Boletus appendiculatus<\/em> var. <em>regius <\/em>(Krombh.) Costantin &amp; L.M. Dufour, Nouv. Fl. Champ., Edn 1 (Paris): 152. 1891<\/p>\n<p style=\"text-align: justify;\"><em>Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de 80-150 (200) mm de di\u00e1metro, primero hemisf\u00e9rico, despu\u00e9s convexo, por \u00faltimo, plano convexo o extendido; superficie pileica poco separable, fina, seca, aterciopelada, frecuentemente se disocia al centro en peque\u00f1as escamitas concoloras o un poco ocr\u00e1ceas; de color rosa vivo, rosa rojo, rosa p\u00e1lido sobre todo en tiempo seco, excepcionalmente decolorado en amarillo; margen espeso, incurvado, un poco ondulado, ligeramente excedente. Himen\u00f3foro con tubos largos, de hasta 15 mm, de adnatos a libres, f\u00e1ciles de separar, amarillo vivo, amarillo lim\u00f3n, azulean ligeramente; poros redondos, muy prietos, del color de los tubos, en la madurez un poco verdosos, en algunos casos pueden azulear ligeramente a la presi\u00f3n. Est\u00edpite de 40-90 x 20-60 mm, robusto, corto, obeso, engrosado en la base, otras veces m\u00e1s esbelto y claviforme; amarillo vivo, se puede manchar de azul claro a la presi\u00f3n; ret\u00edculo fino, concolor, reducido a la parte superior. Contexto espeso, firme, amarillo vivo al corte, rosa bajo la cut\u00edcula, con un ligero tono azulado por zonas; sabor agradable, olor t\u00edpico de c\u00e1scara de nuez.<\/p>\n<p style=\"text-align: justify;\"><em>Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de (11,4) 11,7-14,3 (15,2) x (4) 4,2-4,8 (5,1) \u00b5m, Q= (2,7) 2,8-3,1 (3,3), fusiformes, gutuladas, lisas, con paredes espesas, amarillentas. Esporada de color pardo oliv\u00e1ceo. Pileipellis formada por una trichoderma de hifas irregularmente entremezcladas, largas, cil\u00edndricas, septadas, juntas sin f\u00edbulas; elementos terminales con los art\u00edculos m\u00e1s o menos levantados, largos, cilindr\u00e1ceos o claviformes, con el \u00e1pice redondeado, de calibre 25,6-61,5 x 3,8-7 \u00b5m; elementos de la pileipellis finamente incrustados, con pigmento intracelular amarillo marr\u00f3n.<\/p>\n<p style=\"text-align: justify;\"><em>Ecolog\u00eda.<\/em> En verano y principios de oto\u00f1o de forma exclusiva bajo frondosas, sobre todo <em>Quercus<\/em> <em>sp.<\/em> (<em>Q. robur, Q. pyrenaica, Q. petrea, Q.\u00a0 faginea<\/em>), tambi\u00e9n bajo <em>Fagus<\/em> <em>sylvatica<\/em>, en zonas templadas y soleadas. En suelos ligeramente \u00e1cidos o neutros. Fotograf\u00eda. Jose A. Mu\u00f1oz S\u00e1nchez.<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #339966;\"><em>Comestibilidad.<\/em> <strong>Excelente Comestible.\u00a0<\/strong><span style=\"color: #000000;\">No confundir con\u00a0 <em>Rubroboletus pulchrotinctus<\/em> t\u00f3xico, que causas trastornos gastrointestinales leves. con p\u00edleo de color blanquecino con tonos rosado, poros amarillento naranjas, con tonos rojizos, ret\u00edculo rojizo-rosa, est\u00edpite con tonos rosas en la mitad inferior.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Citar como: Mu\u00f1oz, J.A. 2022. <em>Butyriboletus regius<\/em> (Krombh.) D. Arora &amp; J.L. Frank,\u00a0micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, n\u00ba 648 (Actualizada el 10-V-2022). Disponible en: \u00a0<a style=\"color: #000000;\" href=\"https:\/\/micologica-barakaldo.org\/Butyriboletus-regius\/\">https:\/\/micologica-barakaldo.org\/Butyriboletus-regius\/<\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/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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