{"id":12494,"date":"2026-08-16T09:41:33","date_gmt":"2026-08-16T08:41:33","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=12494"},"modified":"2026-08-16T09:44:22","modified_gmt":"2026-08-16T08:44:22","slug":"lactarius-turpis","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/lactarius-turpis\/","title":{"rendered":"Lactarius turpis"},"content":{"rendered":"

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Lactarius turpis <\/em><\/strong>(Weinm.) Fr., <\/strong>Epicr. Syst. Mycol.: 335. 1838<\/p>\n

Mycobank: 201186<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. Basidiomas <\/em>de tama\u00f1o medio a grande. P\u00edleo<\/em> de 30-140 mm de di\u00e1metro, convexo, despu\u00e9s aplanado y deprimido en el centro; margen primero incurvado, finalmente recto y regular, finamente crenulado al principio; superficie pileica finamente aterciopelada o veteada, un poco viscida en el disco, posteriormente seca y m\u00e1s netamente aterciopelada, en el margen de color marr\u00f3n-oliv\u00e1ceo a negruzco, gris-oliv\u00e1ceo, beige-oliv\u00e1ceo, cromo o amarillo pajizo, en los basidiomas j\u00f3venes, en la madurez tomas tonalidades negruzcas. L\u00e1minas<\/em> apretadas, estrechas a medianamente anchas, de adnatas a decurrentes, con numerosas lam\u00e9lulas, algunas bifurcadas, de color crema-blanquecino o color crema, beige-arcilloso cuando se frotan. Est\u00edpite<\/em> de 30-80 \u00d7 10-25 mm, cil\u00edndrico, adelgazado hacia la base, ligeramente comprimido; superficie lisa, ligeramente viscosa, posteriormente seca y brillante, de color cromo p\u00e1lido a beige oliv\u00e1ceo o gris oliv\u00e1ceo, m\u00e1s p\u00e1lida en el \u00e1pice; con peque\u00f1os escr\u00f3bilos de color marr\u00f3n oliva a oliva parduzco. Contexto<\/em> firme, compacto, blanquecino; sabor amargo y despu\u00e9s muy acre, olor d\u00e9bil un poco resinoso; leche blanca, amarga a muy acre. Reacciones macroqu\u00edmicas: superficie pileica + KOH = rojo p\u00farpura.<\/p>\n

Caracteres microsc\u00f3picos. Basidiosporas<\/em> de (6,3-) 7,5 \u00b1 0,68 (-8,8) \u00d7 (4,8-) 5,6 \u00b1 0,38 (-6,5) \u03bcm \/ Q = (1,10-) 1,30 \u00b1 0,10; de subglobosas a elipsoides, con ornamentaci\u00f3n de crestas y verrugas \u00a0hasta \u00d71 \u00b5m de proyecci\u00f3n, de redondeadas a agudas, unidas por finos conectivos formando una malla cerrada, placa suprahilar no amiloide o parcialmente amiloide.\u00a0 Esporada crema p\u00e1lido. Basidios<\/em> de 30-50 \u00d7 7-10 \u00b5m, tetrasp\u00f3ricos, claviformes.\u00a0 Queilomacrocistidios<\/em> de 40-85 \u00d7 7-10 \u00b5m, abundantes, fusiformes o con el \u00e1pice agudo o adelgazado. Pileipellis <\/em>de tipo ixotricodermis, de hasta 200 \u00b5m de espesor, con hifas cil\u00edndricas, entremezcladas, de hasta \u00d76 \u00b5m, hialinas o grises.<\/p>\n

Ecolog\u00eda. En oto\u00f1o exclusivamente bajo Betula<\/em>. Distribuci\u00f3n. Poco frecuente, R. Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n

Citar como: MU\u00d1OZ, JA (2026). Lactarius turpis <\/em>(Weinm.) Fr., micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 1034 (Actualizada el 14-VIII-2026). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Lactarius-turpis\/<\/p>\n<\/div>

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