{"id":2166,"date":"2018-09-02T19:38:01","date_gmt":"2018-09-02T18:38:01","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=2166"},"modified":"2021-10-04T21:35:18","modified_gmt":"2021-10-04T20:35:18","slug":"mycena-polygramma","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/mycena-polygramma\/","title":{"rendered":"Mycena polygramma"},"content":{"rendered":"

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de hasta 40 mm de di\u00e1metro, primero hemisf\u00e9rico, c\u00f3nico o c\u00f3nico-campanulado, despu\u00e9s plano convexo o extendido, pero con un marcado umb\u00f3n, margen agudo, delgado, estriado por transparencia, superficie pil\u00e9ica, brillante, glabra, un poco lubrificada en tiempo h\u00famedo, de color gris sepia, gris marr\u00f3n, pardo marr\u00f3n, m\u00e1s oscuro al disco. L\u00e1minas espaciadas, anchas, adnatas o un poco decurrentes por un diente, de color blanco, blanco gris\u00e1ceo, con tonos rosados en la madurez, incluso con manchas rojizas, arista entera. Est\u00edpite de hasta 120 x 6 mm, cil\u00edndrico, un poco m\u00e1s ancho hacia la base, hueco en la madurez, brillante, estriado longitudinalmente, tenaz y el\u00e1stico, de color blanquecino en lo alto, pero gradualmente toma un color uniforme gris oscuro, gris marr\u00f3n o gris negro. Contexto muy delgado y poco firme en el p\u00edleo, tenaz, el\u00e1stico y cartilaginoso en el est\u00edpite, blanco o blanquecino, olor y sabor poco apreciable.<\/span><\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de 7,5-11,5 x 6,0-7,5 \u00b5m \/ Q = 1,2-1,6, elipsoidales, estrech\u00e1ndose en la parte apical, gutuladas, lisas, amiloides. Esporada blanquecina. Queilocistidios de hasta 45 x 12 \u00b5m, claviformes, fusiformes, ventricosos, irregulares, con el \u00e1pice bifurcado. Pleurocistidios no observados. Superficie del est\u00edpite formada por hifas cil\u00edndricas de hasta 80 x 8 \u00b5m, irregulares, con el \u00e1pice recurvado, con finas protuberancias aisladas de hasta 15\u00b5m, juntas con f\u00edbulas. Pileipellis formada por hifas cilindr\u00e1ceas, de hasta x8 \u00b5m, cubiertas de abundantes divert\u00edculos o ramificaciones flexuosas, muy finas de hasta x2\u00b5m de altura.<\/span><\/p>\n

Ecolog\u00eda<\/em>. En verano y oto\u00f1o, aislada o gregaria, en la base de troncos y sobre madera en descomposici\u00f3n de frondosas (Fagus, Quercus, Castanea<\/em>) y m\u00e1s raramente con\u00edferas (Picea <\/em>y Abies<\/em>).\u00a0 Distribuci\u00f3n<\/em>. \u00a0Poco frecuente, R.\u00a0<\/span><\/p>\n

Citar como: Mu\u00f1oz, J.A. 2018. Mycena polygramma\u00a0<\/em>(Bull.) Gray, \u00a0micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, n\u00ba 234 (Actualizada el 02-IX-2018). Disponible en: \u00a0https:\/\/micologica-barakaldo.org\/Mycena-polygramma\/<\/a><\/span><\/p>\n

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