{"id":2797,"date":"2019-05-13T17:44:02","date_gmt":"2019-05-13T16:44:02","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=2797"},"modified":"2021-03-24T20:09:53","modified_gmt":"2021-03-24T19:09:53","slug":"helvella-helvellula","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/helvella-helvellula\/","title":{"rendered":"Helvella helvellula"},"content":{"rendered":"

\u2261 Acetabula helvellula\u00a0<\/em>(Durieu & Mont.) Maire,\u00a0Bull. Soc. Hist. nat. Afr. N.<\/em>\u00a08(7): 176 (1917)<\/p>\n

Caracter\u00edsticas macrosc\u00f3picas<\/em>. Ascomas de hasta 30 mm de altura y 25 mm de anchura; en forma de apotecio estipitado. Mitra cupulada o discoide, en los ejemplares adultos se abre, pero manteniendo la forma de copa. Margen regular y m\u00e1s o menos lobulado. Superficie interna o superficie f\u00e9rtil lisa o un poco rugosa en el centro, mate, de color negro, pardo negruzco. Cara externa de lisa a furfur\u00e1cea, concolor o algo m\u00e1s clara a la superficie f\u00e9rtil. Est\u00edpite muy corto de hasta 20 x 8 mm, m\u00e1s o menos desarrollado, con pliegues poco marcados, blanquecino o gris\u00e1ceo, negruzco en la parte superior. Contexto fr\u00e1gil, blanquecino, sin olor ni sabor apreciable.<\/p>\n

Caracter\u00edsticas microsc\u00f3picas<\/em>. Ascosporas de 18-24 x 12-15 \u00b5m, Q= 1,4\u20131,7; anchamente elipsoidales, lisas, hialinas, con una gran g\u00fatula central, con pared moderada, con peque\u00f1as g\u00fatulas en los extremos. Ascas de 250- 350 x 15-22 \u00b5m, 8-esporas, cil\u00edndricas, uniseriadas, no amiloides. Par\u00e1fisis de hasta x 4\u00b5m en el \u00e1pice que es claviforme o algo noduloso de hasta x 8\u00b5m, septados, en algunos casos ramificados, con pigmento ocr\u00e1ceo gris\u00e1ceo. Exc\u00edpulo ectal formando una estructura globosa con elementos en disposici\u00f3n m\u00e1s o menos subparalela, claviformes o cil\u00edndricos hasta la zona m\u00e1s distal, de hasta x 20\u00b5m, con pigmento intracelular gris negruzco.<\/p>\n

Ecolog\u00eda<\/em>. En primavera, en suelos arenosos neutros, con Quercus ilex<\/em> y Cystus<\/em>. Distribuci\u00f3n<\/em>. Muy raro.<\/p>\n

Citar como: Mu\u00f1oz S\u00e1nchez, J.A. \u201cHelvella helvellula\u00a0<\/em>(Durieu & Mont.) Dissing\u201d. micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas micol\u00f3gicas, n\u00ba 339, 13\/05\/2019 [consultado el (fecha)]. Disponible en https:\/\/micologica-barakaldo.org\/Helvella-helvellula\/<\/a><\/p>\n<\/div>

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