{"id":11001,"date":"2024-11-23T23:04:13","date_gmt":"2024-11-23T22:04:13","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=11001"},"modified":"2024-11-23T23:04:13","modified_gmt":"2024-11-23T22:04:13","slug":"melanoleuca-exscissa","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/melanoleuca-exscissa\/","title":{"rendered":"Melanoleuca exscissa"},"content":{"rendered":"

 <\/p>\n

Melanoleuca exscissa<\/em><\/strong> (Fr.) Singer<\/strong>, Cavanillesia 7: 125. 1935<\/p>\n

Mycobank: 264476<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. P\u00edleo<\/em> de 20-80 mm de di\u00e1metro, pronto plano-convexo, despu\u00e9s con el centro deprimido, pero con un umb\u00f3n bajo y prominente; margen primero inflexo, a menudo excedente; superficie pileica, mate, seca, no higr\u00f3fana, ser\u00edcea en el disco, fibrillosa radialmente, de color blanquecino, gris, gris-marr\u00f3n, gris-pardo oscuro, con el centro frecuentemente m\u00e1s oscuro. L\u00e1minas<\/em> muy apretadas, estrechas de hasta 6 mm, emarginadas, sinuosas o subdecurrentes; de color primero blanquecino, despu\u00e9s crema p\u00e1lido o con ligero tono rosado; arista entera y concolor. Est\u00edpit<\/em>e de hasta 20-60 \u00d7 3-8 mm, cil\u00edndrico, atenuado o m\u00e1s ancho hacia la base, lleno, fibrilloso longitudinalmente, con el \u00e1pice floconoso en la juventud, blanquecino o crema p\u00e1lido. Contexto<\/em> escaso en el p\u00edleo, fibroso en el est\u00edpite, blanquecino; olor d\u00e9bil afrutado y sabor poco destacable.<\/p>\n

Caracteres microsc\u00f3picos. Basidiosporas<\/em> de (7,5) 9,0 \u00b1 0,65 (10,2) \u00d7 (4,8) 5,7 \u00b1 0,42 (6,5) \/ Q = (1,5) 1,7 \u00b1 0,10 (1,9); elipsoides a alargadas, apiculadas, amiloides, hialinas, densamente ornamentadas con peque\u00f1as verrugas, Esporada crema-p\u00e1lido. Basidios<\/em> de hasta 40 \u00d7 14 \u00b5m, claviformes, tetrasp\u00f3ricos, juntas sin f\u00edbulas. Queilocistidios<\/em> de hasta 60 \u00d7 10 \u00b5m, escasos, ventricosos, urcitiformes, con el \u00e1pice atenuado, con pared delgada, septados con uno o dos tabiques, en algunos casos con el \u00e1pice con incrustaciones cristaliferas. Pileipellis <\/em>de tipo trichodermis, con hifas entremezcladas elementos terminales cilindr\u00e1ceos o claviformes, de hasta \u00d78 \u00b5m, juntas sin f\u00edbulas.<\/p>\n

Ecolog\u00eda.<\/em> En primavera y oto\u00f1o, en praderas y pastizales, tambi\u00e9n bosques de con\u00edferas y frondosas. Distribuci\u00f3n<\/em>. Relativamente frecuente, E. Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n

Citar como: MU\u00d1OZ, J. A. (2024). Melanoleuca exscissa<\/em> (Fr.) Singer, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 892 (Actualizada el 23-XI-2024). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Melanoleuca-exscissa\/<\/a><\/u><\/p>\n<\/div>

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