{"id":9653,"date":"2023-11-21T23:18:45","date_gmt":"2023-11-21T22:18:45","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=9653"},"modified":"2023-12-26T22:47:31","modified_gmt":"2023-12-26T21:47:31","slug":"melanoleuca-polioleuca","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/melanoleuca-polioleuca\/","title":{"rendered":"Melanoleuca polioleuca"},"content":{"rendered":"

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Melanoleuca polioleuca<\/em> (Fr.) K\u00fchner & Maire<\/strong>, Bulletin de la Soci\u00e9t\u00e9 Mycologique de France 50: 18. 1934<\/p>\n

MycoBank: 254036<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. P\u00edleo<\/em> de 60-100 mm de di\u00e1metro, primero convexo, despu\u00e9s plano convexo, finalmente deprimido en el centro, manteniendo un umb\u00f3n central, obtuso y poco marcado; margen involuto durante largo tiempo, delgado, liso un poco excedente; superficie pileica glabra o pruinosa en la periferia, brillante en tiempo h\u00famedo, higr\u00f3fana, de color pardo marr\u00f3n oscuro, pardo-rojizo oscuro o pardo-sepia aclar\u00e1ndose en tonos pardo-amarillento o pardo-gris. L\u00e1minas muy apretadas, adnatas, anchas de hasta 9 mm, primero blancas, despu\u00e9s crema-blanquecino; arista concolor y ligeramente algodonosa. Est\u00edpite de 40-100 \u00d7 5- 15 mm, cilindr\u00e1ceo, engrosado hacia la base, superficie finamente pruinosa en la parte superior, con fibrillas longitudinales en el resto, de color blanquecino, pardo rojizo hacia la base. Contexto espeso, blanquecino, que se vuelve pardo-marr\u00f3n hacia la base del est\u00edpite; olor un poco harinoso y sabor poco destacable.<\/p>\n

Caracteres microsc\u00f3picos. Basidi\u00f3sporas<\/em> de (6,5) 7,0 \u00b1 0,40 (7,8) \u00d7 (4,1) 4,4 \u00b1 0,20 (4,8) \u03bcm; Q = (1,4) 1,6 \u00b1 0,10 (1,8), elipsoides a oblongas, hialinas, gutuladas, amiloides, cubiertas de finas verrugas, visibles con el reactivo de Melzer. Queilocistidios<\/em> de hasta 85 \u00d7 15 \u00b5m, fusiformes o incluso lageniformes, raramente con tabique interno, en su mayor\u00eda con el \u00e1pice con incrustaciones cristalinas. Caulocistidios de hasta 90 \u00d7 15 \u00b5m, fusiformes, algunos con tabique interno, con el \u00e1pice con incrustaciones cristalinas. Pileipellis<\/em> de tipo ixocutis, con hifas cil\u00edndricas, m\u00e1s o menos entremezcladas y algunas terminales levantadas, de hasta \u00d710 \u00b5m, elementos terminales levantados, cil\u00edndricos o levemente claviformes, juntas sin f\u00edbulas.\u00a0<\/p>\n

Ecolog\u00eda. En oto\u00f1o, en zonas herbosas o en zonas aclaradas de bosques. Distribuci\u00f3n. Poco frecuente, R.<\/p>\n

Citar como: MU\u00d1OZ, J. A. (2023). Melanoleuca polioleuca<\/em> (Fr.) K\u00fchner & Maire, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 788 (Actualizada el 21-XI-2023). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Melanoleuca-polioleuca\/<\/a><\/u><\/span><\/p>\n<\/div>

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