{"id":1105,"date":"2022-11-24T17:42:20","date_gmt":"2022-11-24T16:42:20","guid":{"rendered":"https:\/\/campus.univ-lyon1.fr\/champignons\/?page_id=1105"},"modified":"2023-10-01T21:47:41","modified_gmt":"2023-10-01T19:47:41","slug":"tapinella-atrotomentosa","status":"publish","type":"page","link":"https:\/\/campus.univ-lyon1.fr\/champignons\/base-de-donnees\/tapinella-atrotomentosa\/","title":{"rendered":"Tapinella atrotomentosa"},"content":{"rendered":"\n

Paxille \u00e0 pied noir, Paxille \u00e0 pied velout\u00e9<\/h1>\n\n\n\n
T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n
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Ordre <\/strong>: Bol\u00e9tales<\/a><\/p>\n<\/div>\n\n\n\n

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

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

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

De 4 \u00e0 30 cm de diam\u00e8tre. D’abord mamelonn\u00e9, parfois visqueux au disque, brun roux \u00e0 brun olivac\u00e9, souvent d\u00e9color\u00e9. Marge velout\u00e9e, longtemps enroul\u00e9e, cannel\u00e9e.<\/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 molle, blanch\u00e2tre puis jaunissant apr\u00e8s 5 min, gris rose et enfin violette au bout de 15min.Odeur peu agr\u00e9able. Saveur amarescente.<\/p>\n\n\n\n

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

Lames fortement d\u00e9currentes, serr\u00e9es, anastomos\u00e9es vers le pied, souvent fourchues, cr\u00e8me puis ochrac\u00e9es, brun-rouss\u00e2tre dans les endroits meurtris, molles, se d\u00e9tachant facilement de la chair du chapeau.<\/p>\n\n\n\n

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

2-17 x 2-5,5 cm, g\u00e9n\u00e9ralement court et, trapu, central ou excentrique, typiquement couvert d’un velours brun sombre ou noir\u00e2tre, parfois long chez les gros exemplaires.<\/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

Sur souches pourries de conif\u00e8res, parfois de 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

A rejeter. La toxicit\u00e9 n’est pas connue car elle n’a probablement jamais \u00e9t\u00e9 consomm\u00e9 en raison de l’amertume de sa chair.<\/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 Octobre.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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

C’est un champignon tinctorial \u00e9tonnant, tr\u00e8s appr\u00e9ci\u00e9 des \u00ab mycodyers \u00bb qui permet de teinter la laine en Vert bronze par simple d\u00e9coction de la laine gr\u00e2ce \u00e0 la pr\u00e9sence d’acide th\u00e9l\u00e9phorique, une terph\u00e9nylquinone pr\u00e9sente aussi chez les lichens. Elle donne des couleurs allant de Gris-vert profond \u00e0 marron ou noir selon les mordants utilis\u00e9s. Plus le sujet est \u00e2g\u00e9, plus il accumule de l’eau et devient spongieux. Il abrite alors beaucoup de bact\u00e9ries.
Aucune confusion.<\/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":"

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