{"id":2983,"date":"2019-09-25T20:04:24","date_gmt":"2019-09-25T19:04:24","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=2983"},"modified":"2021-03-03T22:52:47","modified_gmt":"2021-03-03T21:52:47","slug":"russula-cessans","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-cessans\/","title":{"rendered":"Russula cessans"},"content":{"rendered":"

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de hasta 70 mm de di\u00e1metro, primero convexo, despu\u00e9s extendido e incluso ligeramente deprimido, margen largo tiempo incurvado, regular, acanalado en la madurez, superficie pil\u00e9ica, lisa, tenaz, brillante, un poco viscida en tiempo h\u00famedo, de color rojizo vinoso, lila viol\u00e1ceo, lila vinoso, en general m\u00e1s oscuro en el disco, se observan algunas recolectas con tono verdoso uniforme. L\u00e1minas apretadas al principio, m\u00e1s separadas con la edad, anchas (hasta 6mm), apenas libres, intervenadas, obtusas en el margen, muy fr\u00e1giles, de color primero cremas, amarillas en la madurez, arista aguda, entera y concolor. Est\u00edpite de hasta 60 x 15 mm, subclaviforme, primero lleno, despu\u00e9s esponjoso, claramente rugoso venoso, de color blanco, manch\u00e1ndose de gris ocr\u00e1ceo hacia la base. Contexto espeso, firme, quebradizo, blanco, olor d\u00e9bil poco apreciable, sabor dulce, algo picante en las l\u00e1minas. Reacciones macroqu\u00edmicas: SO4Fe, naranja p\u00e1lido. Resina de Guayaco r\u00e1pida e intensa.<\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de 7,5-9,0 x 7,0-8,0 \u00b5m \/ Q = 1,1-1,3, redondeadas, subglobulosas, adornadas con verrugas obtusas, de hasta x1\u00b5m, algunas aisladas, pero en general unidas por crestas sinuosas m\u00e1s o menos reticuladas, placa suprahilar amiloides. Esporada amarilla. Cistidios de hasta 90 x 12 \u00b5m, poco abundantes, fusiformes o claviformes, con un peque\u00f1o ap\u00e9ndice en la parte superior, reacci\u00f3n poco en\u00e9rgica a la sulfovainillina. Pileipellis formada por: c) pelos en general ramificados, con septos m\u00e1s o menos cortos, elementos terminales obtusos o atenuados, de hasta x5 \u00b5m. d) dermatocistidios abundantes, cil\u00edndricos o algunos atenuados, de hasta x9 \u00b5m, con contenido negruzco en contacto con el anisaldehido.<\/p>\n

Ecolog\u00eda<\/em>. En verano y oto\u00f1o, en bosques de pinos (Pinus sp<\/em>.), en suelos \u00e1cidos y arenosos.\u00a0 Distribuci\u00f3n<\/em>. \u00a0Frecuente.\u00a0<\/p>\n

Citar como: Mu\u00f1oz S\u00e1nchez, J.A. \u201cRussula cessans<\/em> A. Pearson\u201d. micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas micol\u00f3gicas, n\u00ba 365, 25\/09\/2019 [consultado el (fecha)]. Disponible en https:\/\/micologica-barakaldo.org\/Russula-cessans\/<\/a><\/p>\n<\/div>

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