{"id":3552,"date":"2020-04-29T17:04:32","date_gmt":"2020-04-29T16:04:32","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=3552"},"modified":"2021-11-13T22:20:01","modified_gmt":"2021-11-13T21:20:01","slug":"typhrasa-gossypina","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/typhrasa-gossypina\/","title":{"rendered":"Typhrasa gossypina"},"content":{"rendered":"

\u2261Psathyra gossypina<\/em> (Bull.) Gillet, Mem. Soc. \u00e9mul. Montb\u00e9liard: 439 (1875)<\/p>\n

\u2261Psathyrella gossypina<\/em> (Bull.) A. Pearson & Dennis, Transactions of the British Mycological Society 31 (3-4): 184. 1948<\/p>\n

=Psathyrella xanthocystis<\/em> P.D. Orton in Trans. Br. Mycol. Soc. 43: 379, 1960<\/p>\n

Caracteres macrosc\u00f3picos<\/em>. P\u00edleo de hasta 70 mm de di\u00e1metro, primero hemisf\u00e9rico, despu\u00e9s convexo, finalmente plano convexo y ligeramente umbonado; margen recto, agudo, apendiculado, con restos de velo; superficie pil\u00e9ica arrugada o rugosa radialmente, mate, higr\u00f3fana, de color marr\u00f3n naranja o pardo marr\u00f3n en tiempo h\u00famedo, aclar\u00e1ndose en tiempo seco en tonos ocre amarillo. L\u00e1minas apretadas, estrechas, adnatas, de color primero gris ocre p\u00e1lido, pardo marr\u00f3n oscuro en la madurez; arista floculosa y blanca. Est\u00edpite de hasta 60 x 10 mm, cil\u00edndrico, hueco, quebradizo, superficie lisa, con flecos fibrillosos o restos de velos fugaces en la parte superior, de color blanquecino o crema blanquecino. Contexto escaso, crema, ocr\u00e1ceo bajo la pileipellis, olor y sabor poco apreciables.<\/p>\n

Caracteres microsc\u00f3picos<\/em>. Basidi\u00f3sporas de 7,0-9,5 x 4,5-5,5 \u00b5m \/ Q = 1,4-1,7, ovoides o subfusiformes, elipsoides en vista frontal, un poco faseoliformes en vista lateral, lisas, con poro germinativo, pardo marr\u00f3n rojo oscuro vistas en agua. Esporada p\u00farpura negruzca. Basidios de hasta 28×9 \u00b5m, claviformes, tetrasp\u00f3ricos, juntas con f\u00edbulas. Queilocistidios de hasta 55 x 20 \u00b5m, lageniformes, utriformes, algunos con el cuello alargado, con una o varias g\u00fatulas refringentes en su interior. Pileipellis de tipo himenod\u00e9rmica con elementos globosos o piriformes de hasta 45 x 28 \u00b5m, juntas con f\u00edbulas.<\/p>\n

Ecolog\u00eda<\/em>. En verano y oto\u00f1o, fructifica de forma gregaria bosques de frondosas (Quercus, Fagus, Betula<\/em>) y de con\u00edferas (Abies<\/em> y Pinus<\/em>), sobre restos le\u00f1osos diversos. Distribuci\u00f3n<\/em>. Poco frecuente.<\/p>\n

Citar como: Mu\u00f1oz S\u00e1nchez, J.A. \u201cTyphrasa gossypina<\/em> (Bull.) \u00d6rstadius & E. Larss.\u201d. micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas micol\u00f3gicas, n\u00ba 455, 13\/XI\/2021 [consultado el (fecha)]. Disponible en https:\/\/micologica-barakaldo.org\/Typhrasa-gossypina\/<\/a><\/span><\/p>\n<\/div>

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