{"id":201,"date":"2022-09-26T15:14:34","date_gmt":"2022-09-26T13:14:34","guid":{"rendered":"https:\/\/campus.univ-lyon1.fr\/champignons\/?page_id=201"},"modified":"2023-12-13T17:51:57","modified_gmt":"2023-12-13T16:51:57","slug":"helvella-crispa","status":"publish","type":"page","link":"https:\/\/campus.univ-lyon1.fr\/champignons\/base-de-donnees\/helvella-crispa\/","title":{"rendered":"Helvella crispa"},"content":{"rendered":"\n

Helvelle cr\u00e9pue, cr\u00eate de coq, moraille d’automne<\/em><\/strong><\/h1>\n\n\n\n
T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n
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Ordre <\/strong>: Pezizales<\/a><\/p>\n<\/div>\n\n\n\n

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Genre <\/strong>: Helvella<\/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 2 \u00e0 5 cm de diam\u00e8tre. A 2 ou 3 lobes en forme de selle, blanch\u00e2tre \u00e0 cr\u00e8me ocrac\u00e9. Face ext\u00e9rieur (hym\u00e9nium) rid\u00e9e, pliss\u00e9e, face int\u00e9rieure duveteuse gris ocrac\u00e9 p\u00e2le.<\/p>\n\n\n\n

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

Chair mince, cassante, blanch\u00e2tre. Odeur faible, un peu de croute de pain. Saveur douce.<\/p>\n\n\n\n

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

Face ext\u00e9rieure du champignon, rid\u00e9e, pliss\u00e9e blanch\u00e2tre ou cr\u00e8me.<\/p>\n\n\n\n

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

2-12 x 1-4 cm. Sub\u00e9gal ou en massue, creux, blanch\u00e2tre, \u00e0 surface glabre, couvert de c\u00f4tes et de lacunes tr\u00e8s caract\u00e9ristiques.<\/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

Surtout sous feuillus, for\u00eats claires, bois m\u00eal\u00e9s, sentiers, talus.<\/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

Toxique.<\/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 d’Ao\u00fbt 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

Longtemps consid\u00e9r\u00e9e comme comestible mais apr\u00e8s cuisson, Helvella crispa est d\u00e9sormais \u00e9tablie comme toxique et \u00e0 rejeter. Outre la pr\u00e9sence d’h\u00e9molysines qui la rendent toxique \u00e0 l’\u00e9tat cru, elle contient de la m\u00e9thylhydrazine responsable d’intoxications graves et aurait des risques canc\u00e9rog\u00e8nes \u00e0 long terme.<\/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

Syndrome gyromitrien <\/strong>: Le temps d’incubation est variable de 2 \u00e0 24h, et les sympt\u00f4mes d\u00e9butent par une phase de gastro-ent\u00e9rite brutale avec asth\u00e9nie, vertiges, c\u00e9phal\u00e9es et vomissements, parfois diarrh\u00e9es violentes et fi\u00e8vre. Le malade peut se r\u00e9tablir en 2 \u00e0 6 jours sans s\u00e9quelles. Il y a dans certain cas une seconde phase h\u00e9pator\u00e9nale et nerveuse, avec ict\u00e8re, cytolyse h\u00e9patique, h\u00e9patom\u00e9galie, insuffisance h\u00e9patique aigue puis enc\u00e9phalopathie et anurie, agitation, d\u00e9lire. Un coma et des convulsions peuvent conduire au d\u00e9c\u00e8s.<\/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

Hospitalisation avec r\u00e9\u00e9quilibrage hydro \u00e9lectrolytique. Diaz\u00e9pam si convulsions. Pyridoxine (Vitamine B6) en IV pour pr\u00e9venir et traiter les convulsions. Epuration extra-r\u00e9nale par h\u00e9modialyse principalement en cas d’h\u00e9patites graves ou de forme anurique.<\/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\u00bbhelvella-crispa-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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Helvelle cr\u00e9pue, cr\u00eate de coq, moraille d’automne Ordre : Pezizales Genre : Helvella 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":"\nHelvella crispa - 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\/helvella-crispa\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Helvella crispa - 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