{"id":12374,"date":"2026-04-14T21:48:35","date_gmt":"2026-04-14T20:48:35","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=12374"},"modified":"2026-04-14T21:48:35","modified_gmt":"2026-04-14T20:48:35","slug":"russula-xerampelina","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-xerampelina\/","title":{"rendered":"Russula xerampelina"},"content":{"rendered":"

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Russula xerampelina<\/em><\/strong> (Schaeff.) Fr.,<\/strong> Epicrisis Systematis Mycologici: 356. 1838<\/p>\n

MycoBank: 211051<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. P\u00edleo<\/em> de 50-120 mm de di\u00e1metro, inicialmente convexo, pronto extendido y d\u00e9bilmente deprimido al centro; margen fino, incurvado al principio, acanalado en la madurez; superficie pileica no separable, viscida y brillante en tiempo h\u00famedo, mate y seca al deshidratarse, finamente aterciopelada; de color rojo-p\u00farpura vivo, rojo carm\u00edn, negruzco en el disco, pardo-vinoso al final, a veces, decolorado en pardo-oliv\u00e1ceo. L\u00e1minas<\/em> moderadamente apretadas, m\u00e1s espaciadas en la madurez, con lam\u00e9lulas, intervenadas o bifurcadas, anchas de hasta 15 mm, poco quebradizas, obtusas en el margen, redondeadas-libres; de color crema-blanquecino despu\u00e9s ocre p\u00e1lido, se manchan de ocre a la presi\u00f3n; arista aguda, entera y concolor, pero a menudo rojas cerca del margen. Est\u00edpite<\/em> de 40-80 \u00d7 15-40 mm, m\u00e1s o menos cil\u00edndrico, algo ensanchado hacia las l\u00e1minas, claviforme, firme, primero lleno, despu\u00e9s esponjoso, rugoso-venoso, total o parcialmente rosa-rojo, blanquecino hacia la base, se mancha de ocre a la presi\u00f3n. Contexto<\/em> espeso, firme, blanquecino, que se mancha de pardo-ocre; olor intenso a marisco cocido, sabor dulce. Reacciones macroqu\u00edmicas: Sulfato de hierro intensa en verde oscuro.<\/p>\n

Caracteres microsc\u00f3picos. Basidiosporas<\/em> de (7,8-) 8,5 \u00b1 0,63 (-10,5) \u00d7 (6,8-) 7,7 \u00b1 0,45 (-8,7) \u03bcm; Q = 1,3 \u00b1 0,10; ovoides, con gruesa ap\u00edcula, con verrugas c\u00f3nicas u obtusas de hasta 0,8 \u00b5m, mayoritariamente aisladas o con alg\u00fan fino conectivo, placa suprapicular de hasta \u00d74 \u00b5m, amiloide. Esporada ocre oscuro. Cistidios<\/em> poco abundantes, de hasta 100 \u00d7 13 \u00b5m, subcil\u00edndricos o fusiformes, apendiculados o no, grises en sulfovainillina. Pileipellis<\/em> formada por pelos abundantes, irregulares, cil\u00edndricos u obtusos, poco ramificados, septados, de hasta \u00d73,5\u00b5m; Dermatocistidios fusiformes, cilindr\u00e1ceos u obtusos, de hasta \u00d75 \u00b5m.<\/p>\n

Ecolog\u00eda. En oto\u00f1o en bosques de con\u00edferas (Pinus, Picea, Abies<\/em>) pero sobre todo con Pinus sylvestris<\/em>, en suelos \u00e1cidos. Distribuci\u00f3n. Poco frecuente. R. Fotograf\u00eda Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n

Citar como: MU\u00d1OZ, J. A. (2026). Russula xerampelina<\/em> (Schaeff.) Fr., micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 1016 (Actualizada el 14-IV-2026). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Russula-xerampelina\/<\/a><\/p>\n<\/div>

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