{"id":6914,"date":"2022-07-22T22:33:13","date_gmt":"2022-07-22T21:33:13","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=6914"},"modified":"2022-07-22T22:33:13","modified_gmt":"2022-07-22T21:33:13","slug":"imperator-luteocupreus","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/imperator-luteocupreus\/","title":{"rendered":"Imperator luteocupreus"},"content":{"rendered":"

Imperator luteocupreus<\/em> (Bert\u00e9a & Estad\u00e8s) Assyov, Bellanger, Bert\u00e9a, Courtec., Koller, Loizides, G. Marques, J.A. Mu\u00f1oz, N. Oppicelli, D. Puddu, F. Rich. & P.-A. Moreau, Index Fungorum 243: 1. 2015<\/span><\/p>\n

\u2261Boletus luteocupreus<\/em> Bert\u00e9a & Estad\u00e8s, Documents Mycologiques 20 (78): 10. 1990 [basion.]<\/span><\/p>\n

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de 120-220 mm de di\u00e1metro, primero hemisf\u00e9rico, globoso, despu\u00e9s convexo, por \u00faltimo plano convexo; margen irregular, espeso, enrollado, despu\u00e9s incurvado, t\u00edpicamente muy excedente; superficie, afieltrada, seca y mate, de color inicialmente amarillo cromo sobre todo al margen, amarillo naranja al centro, rosado en los basidiocarpos inmaduros desapareciendo con la manipulaci\u00f3n, despu\u00e9s m\u00e1s ocr\u00e1ceo, manchada de verdoso oliv\u00e1ceo o azul negro en fresco, se mancha por las hierbas y la manipulaci\u00f3n con zonas que viran a rojo cobre y que poco a poco va invadiendo toda su superficie, el color final es naranja ocre con manchas rojo cobre. Himen\u00f3foro con tubos de 11-15 mm, finos, libres, de color amarillo vivo, despu\u00e9s amarillo oliv\u00e1ceo, azulean r\u00e1pidamente al corte; poros redondos, muy peque\u00f1os, finos, tard\u00edamente abiertos, de color rojo vivo desde el principio, rojo cobre o rojo naranja, azul oscuro intenso a la presi\u00f3n. Est\u00edpite de 60-90 x 35-55 mm, muy robusto, m\u00e1s tarde claviforme, de color amarillo sulfurino, despu\u00e9s amarillo naranja, rojo naranja o rojo carm\u00edn hacia la mitad inferior; ret\u00edculo fino, prieto, malla simple, de color rojo sangre. Contexto espeso, amarillo vivo, al contacto con el aire se vuelve r\u00e1pidamente azul oscuro, rojo sangre a rojo carm\u00edn en la base; sabor acidulado, olor d\u00e9bil poco apreciable.<\/span><\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de (10,4) 10,9-12,3 (12,9) x 4,5-5,3 (5,9) \u00b5m; Q = (1,9) 2,1-2,5 (2,7); elipsoidales, subfusiformes, lisas, con paredes espesas, de color amarillo ocre. Esporada de color pardo oliv\u00e1ceo. Pileipellis formada por una tricoderma de hifas m\u00e1s o menos entremezcladas, largas, cil\u00edndricas, septadas, juntas sin f\u00edbulas; art\u00edculos terminales erectos, largos, cilindr\u00e1ceos, con el \u00e1pice redondeado o un poco claviforme, de calibre 35 – 80,5 x 3 – 6,5 \u00b5m; finamente incrustados, con pigmento intracelular marr\u00f3n.<\/span><\/p>\n

Ecolog\u00eda<\/em>. En verano y principios de oto\u00f1o, bajo frondosas, sobre todo Quercus sp<\/em>. y Castanea sativa<\/em>, en suelos \u00e1cidos. Distribuci\u00f3n<\/em>. Muy raro, RR.\u00a0<\/span><\/p>\n

Citar como: Mu\u00f1oz, J.A. 2022. Imperator luteocupreus<\/em> (Bert\u00e9a & Estad\u00e8s) Assyov et al.,<\/strong>\u00a0micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, n\u00ba 663 (Actualizada el 22-VII-2022). Disponible en: \u00a0https:\/\/micologica-barakaldo.org\/Imperator-luteocupreus\/<\/a><\/span><\/p>\n

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