{"id":2167,"date":"2018-09-04T19:59:19","date_gmt":"2018-09-04T18:59:19","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=2167"},"modified":"2021-03-27T23:03:45","modified_gmt":"2021-03-27T22:03:45","slug":"russula-brunneoviolacea","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-brunneoviolacea\/","title":{"rendered":"Russula brunneoviolacea"},"content":{"rendered":"

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de hasta 100 mm de di\u00e1metro, primero convexo, despu\u00e9s extendido e incluso ligeramente deprimido, margen incurvado, ondulado, ligeramente acanalado en la madurez, superficie pil\u00e9ica separada hasta dos tercios del radio, brillante, viscosa y brillante en tiempo h\u00famedo, mate en tiempo seco, de color variable, violeta m\u00e1s o menos oscuro, casi violeta negro, con tonos marr\u00f3n oscuro, en algunos casos decolorado en amarillo oliv\u00e1ceo. L\u00e1minas muy apretadas al principio, m\u00e1s separadas con la edad, anchas de hasta x 7 mm, finamente intervenadas, libres, friables, de color blanquecino, crema marfil en la madurez, arista entera, concolor. Est\u00edpite de hasta 80 x 20 mm, cil\u00edndrico, fusiforme o claviforme, lleno, esponjoso con la edad, superficie arrugada-reticulada, blanco, algunas veces tintado de amarillento hacia la base. Contexto espeso, quebradizo, blanco incluso bajo la pileipellis, amarillento en las heridas, olor afrutado, sabor dulce. Reacciones macroqu\u00edmicas: SO4Fe, rosa anaranjado claro. Resina de Guayaco r\u00e1pida y en\u00e9rgica.<\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de 7,0-9,0 x 6,4-7,5 \u00b5m \/ Q = 1,1-1,2, subglobulosas, espinulosas, con espinas c\u00f3nicas y agudas de hasta 1,5 \u00b5m, placa suprahilar irregular, amiloides. Esporada crema claro. Cistidios de hasta 75 x 15 \u00b5m, fusiformes, la mayor\u00eda prolongados por un ap\u00e9ndice apical alargado, con reacci\u00f3n suave a la sulfovainillina. Pileipellis formada por: pelos en general largos y sinuosos de hasta x5 \u00b5m y por dermatocistidios abundantes, de cil\u00edndricos a claviformes, reaccionando fuertemente en negro a la sulfovainillina, de hasta x10\u00b5m.<\/p>\n

Ecolog\u00eda<\/em>. De final de primavera a principios de oto\u00f1o, en bosques de frondosas (Quercus<\/em> y Fagus<\/em>), en suelos \u00e1cidos.\u00a0 Distribuci\u00f3n.<\/em> poco frecuente.\u00a0<\/p>\n

Citar como: Mu\u00f1oz S\u00e1nchez, J.A. \u201cRussula brunneoviolacea\u00a0<\/em>Crawshay\u201d. micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas micol\u00f3gicas, n\u00ba 235, 04\/09\/2018 [consultado el (fecha)]. Disponible en https:\/\/micologica-barakaldo.org\/Russula-brunneoviolacea\/<\/a><\/p>\n

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