{"id":5996,"date":"2021-09-18T19:59:19","date_gmt":"2021-09-18T18:59:19","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=5996"},"modified":"2024-02-04T22:03:39","modified_gmt":"2024-02-04T21:03:39","slug":"cortinarius-umbilicatus","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/cortinarius-umbilicatus\/","title":{"rendered":"Cortinarius umbilicatus"},"content":{"rendered":"

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Cortinarius umbilicatus<\/em> Singer & I.J. Araujo<\/strong>, Beihefte zur Nova Hedwigia 77: 195. 1983<\/p>\n

MycoBank:\u00a0110305<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. P\u00edleo<\/em> de 30-50 mm de di\u00e1metro, primero campanulado obtuso, c\u00f3nico, despu\u00e9s extendido, pero manteniendo un umb\u00f3n m\u00e1s o menos marcado; margen delgado, agudo, un poco excedente, primero incurvado, al final recurvado, blanquecino por las fibrillas que lo cubren; cut\u00edcula pileica no separable, finamente fibrillosa radialmente, mate a sedosa brillante, higr\u00f3fana, de color pardo p\u00farpura oscuro, pardo negro a casi negro, aclar\u00e1ndose en tonos pardo rojo. L\u00e1minas<\/em> poco apretadas, con numerosas lam\u00e9lulas, anchas de hasta 8mm, escotado-adnatas; de color primero ocre amarillento o marr\u00f3n claro ocre canela a ocre ferruginoso vivo, arista entera y concolor. Est\u00edpite<\/em> de 30-50 x 9-14 mm, cil\u00edndrico o subbulboso, fibrilloso; de color primero ocre marr\u00f3n claro, pardo marr\u00f3n a pardo rojizo, cubierto de una especie de pruina blanquecina, en los carp\u00f3foros inmaduros; cortina fugaz, inicialmente naranja ocre (se aprecia en algunos ejemplares de forma muy fugaz). Contexto<\/em> espeso, firme, primero crema ocre, m\u00e1s oscuro en las zonas embebidas; olor poco destacable, sabor poco destacado. Reacciones qu\u00edmicas: KOH (20%) cut\u00edcula, contexto y l\u00e1minas pardo chocolate oscuro, Amoniaco carm\u00edn viol\u00e1ceo sucio en el contexto.<\/span><\/p>\n

Caracteres microsc\u00f3picos. Basidi\u00f3sporas<\/em> de (6,10) 6,80 \u00b1 0,45 (7,50) x (3,15) 3,58 \u00b1 0,20 (3,85); Q = (1,7) 1,9 \u00b1 0,15 (2,2), elipsoidales o ligeramente amigdaliformes, apiculadas, adornadas con verrugas finas y poco densas, amarillo-leonado claro con KOH al 2%. Esporada marr\u00f3n-ferruginoso. Pileipellis<\/em> formada por hifas paralelas tumbadas, anchas de 5-12 \u00b5m, pigmentadas de marr\u00f3n, se observan algunas finamente incrustadas, juntas sin f\u00edbulas.<\/span><\/p>\n

Ecolog\u00eda. <\/i>En verano y oto\u00f1o en bosques de con\u00edferas. Distribuci\u00f3n. Muy raro. RR.<\/span><\/p>\n

Citar como: Mu\u00f1oz, J.A. 2021. Cortinarius umbilicatus <\/em>P. Karst, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, n\u00ba 592 (Actualizada el 04-IX-2021). Disponible en: \u00a0https:\/\/micologica-barakaldo.org\/Cortinarius-umbilicatus\/<\/a><\/span><\/p>\n

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