{"id":4264,"date":"2020-10-04T12:02:08","date_gmt":"2020-10-04T11:02:08","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=4264"},"modified":"2020-12-15T23:03:04","modified_gmt":"2020-12-15T22:03:04","slug":"russula-persicina","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-persicina\/","title":{"rendered":"Russula persicina"},"content":{"rendered":"

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de hasta 100 mm de di\u00e1metro, inicialmente subgloboso, despu\u00e9s convexo, despu\u00e9s extendido y deprimido al centro; margen delgado, incurvado, ondulado, acanalado hasta 5mm como m\u00e1ximo; superficie pil\u00e9ica separable solamente en el margen, delgada, lubrificada o viscida en tiempo h\u00famedo, brillante, lisa, de color rojo sangre, rojo vivo, decolor\u00e1ndose en amplias zonas blancas y cremas. L\u00e1minas primero apretadas, despu\u00e9s m\u00e1s espaciadas, anchas hasta 10mm, suavemente intervenadas, friables, adnatas o un poco decurrentes; de color blanquecino, finalmente crema ocr\u00e1ceo p\u00e1lido; arista entera y concolor. Est\u00edpite de hasta 60 x 20 mm, cil\u00edndrico o un poco claviforme, primero lleno, despu\u00e9s esponjoso, fr\u00e1gil, con gruesas rugosidades longitudinales; de color blanco, manchado de rosa, amarillento en las zonas da\u00f1adas.\u00a0 Contexto espeso, blanco, griseando en el est\u00edpite, rosa rojizo bajo la pileipellis; olor afrutado, sabor acre. Reacciones macroqu\u00edmicas<\/em>: Guayaco r\u00e1pida e intensa; Sulfato de hierro d\u00e9bil y lenta en rosado anaranjado.<\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de 6,5-8,5 x 5,5-7,0 \u00b5m \/ Q = 1,1-1,4; ovoides a subglobosas, con gruesa ap\u00edcula, erizadas de espinas moderadamente densas, c\u00f3nicas o cil\u00edndrico obtusas, de hasta x0,6\u00b5m, aisladas o unidas de dos o tres, placa suprahilar amiloide. Esporada crema. Cistidios de hasta 90 x 12 \u00b5m, abundantes, claviformes o subfusiformes, rematados en el \u00e1pice con un corto ap\u00e9ndice, con reacci\u00f3n en\u00e9rgica a la sulfovainillina. Pileipellis formada por pelos gr\u00e1ciles, de hasta x 4,5\u00b5m, obtusos, poco septados. Dermatocistidios abundantes, cilindr\u00e1ceos o claviformes, no septados, de hasta x10\u00b5m, negruzcos a la sulfovainilla.<\/p>\n

Ecolog\u00eda<\/em>. En verano y principios de oto\u00f1o, en bosques de frondosas (Fagus sylvatica, Quercus sp<\/em>.). Distribuci\u00f3n<\/em>. Poco com\u00fan.<\/p>\n<\/div>

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<\/i>VER FICHA COMPLETA<\/span><\/a><\/div>
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