{"id":2848,"date":"2019-06-12T19:52:43","date_gmt":"2019-06-12T18:52:43","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=2848"},"modified":"2021-04-05T21:52:26","modified_gmt":"2021-04-05T20:52:26","slug":"russula-olivacea","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-olivacea\/","title":{"rendered":"Russula olivacea"},"content":{"rendered":"

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de hasta 140 mm de di\u00e1metro, primero hemisf\u00e9rico, despu\u00e9s convexo, finalmente extendido o incluso algo deprimido, margen espeso, incurvado, obtuso, superficie pil\u00e9ica, poco separable, mate, seca, rugosa o rugoso agrietada de forma conc\u00e9ntrica en la madurez, de color variable, verde oliv\u00e1ceo, pardo viol\u00e1ceo, p\u00farpura vinoso, a menudo, con el centro m\u00e1s decolorado en tonos amarillentos o verde oliv\u00e1ceo. L\u00e1minas apretadas, m\u00e1s separadas en la madurez, bifurcadas en la inserci\u00f3n con el est\u00edpite, anchas, obtusas en el margen, friables, de color primero crema, ocre amarillentas en la madurez, arista entera. Est\u00edpite de hasta 120 x 40 mm, robusto, cil\u00edndrico, atenuado hacia la base, t\u00edpicamente ensanch\u00e1ndose hacia las l\u00e1minas, lleno, pronto esponjoso, de color blanco pero la mayor\u00eda de las veces con amplias manchas rosa-carm\u00edn. Contexto espeso, compacto, quebradizo, blanquecino o crema con la edad, rojizo vinoso bajo la pileipellis, olor suave afrutado, sabor dulce. Reacciones macroqu\u00edmicas: SO4Fe r\u00e1pida y fuerte en naranja, Fenol lenta en p\u00farpura viol\u00e1ceo. Gayac r\u00e1pido e intenso en azul vivo.<\/span><\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de 8,0-10,5 x 6,5-8,0 \u00b5m \/ Q = 1,2-1,4, ovales o redondeadas, con gruesas espinas c\u00f3nicas de hasta x 1,5\u00b5m, en general aisladas o con algunos finos conectivos, placa suprahilar redondeada y amiloide. Esporada amarillo vivo. Cistidios de hasta 100 x 15 \u00b5m, poco, fusiformes, obtusos o apendiculados, reacci\u00f3n poco intensa en gris a la sulfovainillina. Pileipellis formada por pelos sin incrustaciones acido-resistentes, pluriseptados, estrangul\u00e1ndose en los septos dando un aspecto hinchado, de hasta x 15\u00b5m, art\u00edculos terminales obtusos y cortos.<\/span><\/p>\n

Ecolog\u00eda<\/em>.\u00a0 En verano y oto\u00f1o, en bosques de frondosas, especialmente con Fagus sylvatica<\/em>, citado tambi\u00e9n con Abies alba<\/em>. Distribuci\u00f3n<\/em>. \u00a0Frecuente.<\/span><\/p>\n

Citar como: Mu\u00f1oz S\u00e1nchez, J.A. \u201cRussula olivacea<\/em> (Schaeff.) Fr.\u201d. micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas micol\u00f3gicas, n\u00ba 349, 12\/06\/2019 [consultado el (fecha)]. Disponible en https:\/\/micologica-barakaldo.org\/Russula-olivacea\/<\/a><\/span><\/p>\n<\/div>

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