{"id":12302,"date":"2026-02-25T20:02:35","date_gmt":"2026-02-25T19:02:35","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=12302"},"modified":"2026-02-25T20:20:42","modified_gmt":"2026-02-25T19:20:42","slug":"psathyrella-pyrotricha","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/psathyrella-pyrotricha\/","title":{"rendered":"Psathyrella pyrotricha"},"content":{"rendered":"

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Psathyrella pyrotricha<\/em><\/strong> (Holmsk.) M.M. Moser<\/strong>, Kleine Krypt.-Fl. 2b (2): 218. 1967<\/p>\n

MycoBank: \u00a0414591<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. Basidiomas<\/em> de tama\u00f1o medio, aislados o cespitosos. P\u00edleo<\/em> de 30-60 mm de di\u00e1metro, hemisf\u00e9rico, convexo, despu\u00e9s extendido y m\u00e1s o menos umbonado; margen fino, apendiculado por abundantes restos del velo peluchosos crema-blanquecino o crema-rojizo, con manchas negras de masa esporal; superficie pileica seca, con abundantes restos de velo fibrilloso y escamoso sobre un fondo crema-naranja, siena, m\u00e1s oscuro en el disco. L\u00e1minas<\/em> medianamente apretadas, anchas, adnatas, con lam\u00e9lulas, al principio marr\u00f3n-rojizo, finalmente p\u00farpura-negruzco, con la arista m\u00e1s clara y con peque\u00f1as gotas opalescentes. Est\u00edpite<\/em> de 40-80 \u00d7 3-8 mm, cil\u00edndrico, recto, engrosado en la base, hueco, blanquecino, pruinoso en la parte superior, el resto cubierto de fuertes fibrillas araneiformes que simulan una zona subanular del color del p\u00edleo. Contexto<\/em> poco consistente, acuosa, ocr\u00e1cea en el p\u00edleo, amarillo-naranja en el est\u00edpite; olor ligeramente terroso, sabor que puede ser algo amargo.<\/p>\n

Caracteres microsc\u00f3picos. Basidiosporas<\/em> de (8,7-) 9,1 \u00b1 0,46 (-9,9) \u00d7 (6,0-) 6,5 \u00b1 0,32 (-7,4) \u03bcm; Q = 1,4 \u00b1 0,10; amigdaliformes a limoniformes, con placa suprahilar aplanada, \u00e1pice subpapilado, con verrugas irregulares gruesas, con porro germinativo central, pardo-marr\u00f3n en KOH al 3%. Esporada negruzco-p\u00farpura. Basidios<\/em> de 25-35 \u00d7 8-11 \u00b5m, claviformes, tetrasp\u00f3ricos, juntas con f\u00edbulas. Queilocistidios<\/em> de 45-85 \u00d7 8-15 \u00b5m, pedunculado-claviformes, con el \u00e1pice ensanchado. Pileipellis<\/em> de tipo himenodermis, con c\u00e9lulas globosas a subpiriformes, de hasta 40 \u00d7 30 \u00b5m, con pigmento ocre-naranja, con granulaciones incrustantes concoloras o hialinas. Velo constituido por hifas cil\u00edndricas, septadas, entremezcladas, de hasta 130 \u00d7 18 \u00b5m, con pigmento parietal ocre-naranja, con granulaciones incrustantes p\u00e1lidas.<\/p>\n

Ecolog\u00eda<\/em>. En verano y oto\u00f1o en bosques de frondosas, en lugares herbosos, entre restos vegetales. Distribuci\u00f3n.<\/em> Poco com\u00fan. R.\u00a0Fotograf\u00eda<\/em>.\u00a0 Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n

Citar como: MU\u00d1OZ, JA (2026). Psathyrella pyrotricha<\/em> (Holmsk.) M.M. Moser, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 1008 (Actualizada el 17-II-2026). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Psathyrella-pyrotricha\/<\/a><\/span><\/p>\n<\/div>

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