{"id":12599,"date":"2026-11-13T19:34:12","date_gmt":"2026-11-13T18:34:12","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=12599"},"modified":"2026-11-13T19:36:15","modified_gmt":"2026-11-13T18:36:15","slug":"helvella-bicolor","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/helvella-bicolor\/","title":{"rendered":"Helvella bicolor"},"content":{"rendered":"

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Helvella bicolor<\/em><\/strong> Raddi,<\/strong> Mem. Mat. Fis. Soc. Ital. Sci. Modena, Pt. Mem. Fis. 13 (2): 354. 1807<\/p>\n

MicoBank: 246736<\/a><\/span><\/p>\n

Caracteres microsc\u00f3picos. Ascomas<\/em> aislados, estipitados. P\u00edleo<\/em> helveloide-bilobulado, de 10-25 mm de di\u00e1metro. Himen\u00f3foro liso, mate, de color beige, marr\u00f3n p\u00e1lido, marr\u00f3n caf\u00e9 con leche, marr\u00f3n oscuro e incluso negruzco. Superficie excipular suavemente pubescente a glabra, un poco rugosa, de color beige, crema-ocre o blanquecino gris\u00e1ceo. Est\u00edpite<\/em> de 30-55 \u00d7 4-8 mm, cil\u00edndrico, hueco, algo ensanchado hacia la base, liso, glabro, blanco o blanquecino. Contexto<\/em> escaso, el\u00e1stico sobre todo en el est\u00edpite, blanquecino; sin olor ni sabor destacables.<\/p>\n

Caracteres microsc\u00f3picos. Ascosporas<\/em> de (15,5-) 18,5 \u00b1 0,66 (-21,0) \u00d7 (10,4-) 11,8 \u00b1 0,36 (-12,8) \u03bcm; Q = 1,6 \u00b1 0,10; uniseriadas, anchamente elipsoidales, con los extremos redondeados, lisas, hialinas, con una gruesa g\u00fatula central. Ascos<\/em> de 280-320 \u00d7 18-20 \u00b5m, cil\u00edndricos, octosporados, uniseriados, hialinos. Par\u00e1fisis<\/em> cil\u00edndricas de hasta \u00d74\u00b5m, con el \u00e1pice abultado o claviforme de hasta 9\u00b5m, hialinos, septados, pigmentados de marr\u00f3n p\u00e1lido. Exc\u00edpulo medular<\/em> de estructura intrincada, con hifas septadas y a veces ramificadas, de hasta \u00d78\u00b5m. Exc\u00edpulo ectal<\/em> con un espesor de hasta 200 \u00b5m, de estructura angular-subglobulosa en el interior con elementos terminales clavados, de hasta 60\u00d712 \u00b5m.<\/p>\n

Ecolog\u00eda. En oto\u00f1o, citado en bosques de Picea, Pinus<\/em> y Quercus ilex<\/em>. \u00a0Distribuci\u00f3n. Muy raro, RR. \u00a0Fotograf\u00eda. J A Mu\u00f1oz S\u00e1nchez.<\/p>\n

Citar como: MU\u00d1OZ, J. A. (2026). Helvella bicolor<\/em> Raddi, micol\u00f3gica-barakaldo.org \u00a0[en l\u00ednea]. Fichas Micol\u00f3gicas, 1045 (Actualizada el 13-XI-2026). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Helvella-bicolor\/<\/p>\n<\/div>

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