{"id":1119,"date":"2022-11-24T17:47:19","date_gmt":"2022-11-24T16:47:19","guid":{"rendered":"https:\/\/campus.univ-lyon1.fr\/champignons\/?page_id=1119"},"modified":"2023-10-01T18:44:08","modified_gmt":"2023-10-01T16:44:08","slug":"russula-nigricans","status":"publish","type":"page","link":"https:\/\/campus.univ-lyon1.fr\/champignons\/base-de-donnees\/russula-nigricans\/","title":{"rendered":"Russula nigricans"},"content":{"rendered":"\n

Russule noircissante<\/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

De 5 \u00e0 25 cm de diam\u00e8tre. Convexe, charnu, blanch\u00e2tre \u00e0 l’\u00e9tat jeune puis vite marbr\u00e9 de brun bistr\u00e9 et enfin noircissant et fortement crevass\u00e9 avec l’\u00e2ge.<\/p>\n\n\n\n

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

Chair ferme, blanche, rougissant fortement en 5 \u00e0 15 minutes et puis noircissant en moins d’une heure. Odeur fruit\u00e9e. Saveur douce.<\/p>\n\n\n\n

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

Lames tr\u00e8s espac\u00e9es, libres \u00e0 adn\u00e9es, \u00e9paisses, cassantes, p\u00e2les. Intercal\u00e9es de lam\u00e9llules. Blanches puis cr\u00e8me jaun\u00e2tre souvent avec l’ar\u00eate noircissant, rougissant puis noircissant au froissement.<\/p>\n\n\n\n

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

Concolore au chapeau mais demeurant blanc en haut. Blanc puis brun\u00e2tre, rougissant puis noircissant dans les parties bless\u00e9es.<\/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

Sous conif\u00e8res et sous feuillus.<\/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

Bien que consid\u00e9r\u00e9e comme comestible par certains amateurs, elle pourrait provoquer des irritations gastriques. Dans la mesure o\u00f9 son innocuit\u00e9 n’a pas \u00e9t\u00e9 prouv\u00e9, il vaut mieux la rejeter. Elle d\u00e9gage une odeur d’ammoniaque \u00e0 la cuisson et elle en garde le go\u00fbt. ce qui pourrait expliquer qu’elle soit tr\u00e8s rarement consomm\u00e9e. D’un autre cot\u00e9, elle n’est pas immangeable et donc probablement pas ou peu toxique sinon il y aurait plus de cas d’intoxication recens\u00e9s.<\/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

Du mois de Juillet jusqu’\u00e0 Novembre.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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

Cette russule est facile \u00e0 reconnaitre \u00e0 ses lames espac\u00e9es, sa chair qui rougit avant de noircir, et \u00e0 sa saveur douce. Russula nigricans a la particularit\u00e9 de se dess\u00e9cher sans pourrir. Il n’est pas rare au Printemps, de voir encore des sp\u00e9cimens de Russule noircissante comme momifi\u00e9s. Elle est souvent parasit\u00e9e par un petit champignon: Nyctalis asterophora ou nyctale porteuse d’\u00e9toiles.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

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Confusions avec<\/span> <\/strong>risques<\/h2>\n\n\n

[rev_slider alias=\u00a0\u00bbrussula-nigricans-avec\u00a0\u00bb]<\/p>\n\n\n\n

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Retour en haut<\/a><\/div>\n<\/div>\n\n\n\n
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Russule noircissante Ordre : Russulales Genre : Russula Spor\u00e9e : Blanche Confusions avec risques<\/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 nigricans - 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-nigricans\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Russula nigricans - 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