{"id":6902,"date":"2023-11-28T20:17:05","date_gmt":"2023-11-28T19:17:05","guid":{"rendered":"https:\/\/campus.univ-lyon1.fr\/champignons\/?page_id=6902"},"modified":"2023-12-14T12:49:03","modified_gmt":"2023-12-14T11:49:03","slug":"russula-subnigricans","status":"publish","type":"page","link":"https:\/\/campus.univ-lyon1.fr\/champignons\/base-de-donnees\/russula-subnigricans\/","title":{"rendered":"Russula subnigricans"},"content":{"rendered":"\n

Fausse russule noircissante<\/em><\/strong><\/h1>\n\n\n\n
T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n
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Ordre <\/strong>: Russulales<\/a><\/p>\n<\/div>\n\n\n\n

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Genre <\/strong>: Russula<\/a><\/p>\n<\/div>\n\n\n\n

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Spor\u00e9e <\/strong>: Blanche<\/p>\n<\/div>\n<\/div>\n\n\n

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Chapeau<\/p>\n<\/div><\/div>\n\n\n\n

Chapeau d\u2019environ 8-11 cm de diam\u00e8tre. De couleur gris-brun, il est plus p\u00e2le au niveau de la marge. Ce dernier est d\u2019abord convexe puis plan et d\u00e9prim\u00e9 au centre, en forme d\u2019entonnoir. La cuticule du chapeau est s\u00e8che.<\/p>\n\n\n\n

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Chair<\/p>\n<\/div><\/div>\n\n\n\n

La chair est \u00e9paisse, dure, inodore. Elle n\u2019est pas immuable. Celle-ci est blanche et elle rougit \u00e0 la coupe ce qui le diff\u00e9rencie de Russula nigricans qui, elle, noircit. Les spores mesurent 7 -9 par 6 – 7 \u03bcm, orn\u00e9es de fines verrues reli\u00e9es en fin r\u00e9seau. La fausse russule noircissante \u00e0 une saveur douce.<\/p>\n\n\n\n

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Hym\u00e9nophore<\/p>\n<\/div><\/div>\n\n\n\n

Les lames sont blanches, brunes, cr\u00e8me, adn\u00e9es, subd\u00e9currentes, espac\u00e9es, rougissantes quand on les touche. De plus, elles mesurent 6 – 9 mm d\u2019\u00e9paisseur.<\/p>\n\n\n\n

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Pied<\/p>\n<\/div><\/div>\n\n\n\n

Le stipe est plein, l\u00e9g\u00e8rement ridul\u00e9 le long du pied, blanc cr\u00e8me, plus p\u00e2le que le chapeau. Celui-ci mesure 3 – 6 par 1 – 2,5 cm.<\/p>\n\n\n\n

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Sans Anneau<\/p>\n<\/div><\/div>\n\n\n\n

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Sans Volve<\/p>\n<\/div><\/div>\n\n\n\n

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Habitat<\/p>\n<\/div><\/div>\n\n\n\n

Vit sous les feuillus ; parfois en troupe dans des for\u00eats de feuillus, surtout de ch\u00eanes verts et Castanopsis.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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Comestibilit\u00e9<\/p>\n<\/div><\/div>\n\n\n\n

Mortel.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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P\u00e9riode de cueillette<\/p>\n<\/div><\/div>\n\n\n\n

?<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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Remarque<\/p>\n<\/div><\/div>\n\n\n\n

Aucune.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

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Syndrome associ\u00e9<\/p>\n<\/div><\/div>\n\n\n\n

Les sympt\u00f4mes typiques observ\u00e9s apr\u00e8s l\u2019ingestion de R. subnigricans sont des vomissements et diarrh\u00e9es qui apparaissent 30 minutes environ apr\u00e8s l\u2019ingestion, suivis de raideur des \u00e9paules, de maux de dos, du sang dans les urines (couleur brun-rouge des urines due \u00e0 un taux
\u00e9lev\u00e9 de myoglobine). Dans les cas graves d\u2019intoxication, d\u2019autres sympt\u00f4mes sont pr\u00e9sents : troubles de la parole, convulsion chronique, contraction des pupilles, perte de connaissance et affaiblissement du c\u0153ur pouvant entra\u00eener la mort.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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Conduite \u00e0 tenir<\/p>\n<\/div><\/div>\n\n\n\n

R\u00e9hydratation, urgence si cas graves.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

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Retour en haut<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

Fausse russule noircissante Ordre : Russulales Genre : Russula Spor\u00e9e : Blanche<\/p>\n","protected":false},"author":2981,"featured_media":0,"parent":29,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"yoast_head":"\nRussula subnigricans - Champignons Lyon 1<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/campus.univ-lyon1.fr\/champignons\/base-de-donnees\/russula-subnigricans\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Russula subnigricans - 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