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Strobilurus Esculentus Sp-P2-MJ-VU-20-6-14.Pub STROBILURUS ESCULENTUS Nom de référence : Strobilurus esculentus (Wulfen) Singer Synonymes : Collybia esculenta (Wulfen) P. Kummer Agaricus esculentus (Wulfen) Classificaon : Division : Basidiomycota Ordre : Agaricales Famille : Physalacriaceae Nom français : collybie des cônes d’épicéas. Intérêt c linaire : sans intérêt. 1-DESCRIPTION 1-1 Silhoue&e : sur cônes d’épicéas, de faible dimension, avec un pied central surmonté d’un chapeau convexe. Couleur dominante : ocre-brun. 1-2 Chapea : de 1 à 4 cm, hémisphérique puis convexe et enfin étalé, il peut présenter un pe0t mamelon. 1e rev&tement lisse, mat, par0ellement rid$ radiale- ment, est de couleur brun-rouge2tre , brun oc rac$ fonc$ (il e(iste des formes gris2tres ou blanc 2tres).1a marge est /ne, , peine stri$e par temps umide, un peu d$bordante. 1-3 Pied o spe : de 2-8 ( 0,1-0,3 cm, il est a7$nu$ cylindri.ue, souvent tortueu(8sinueu(, $las0.ue et est recouvert d’un /n velours pruineu( et blanc 2tre. En aut le sommet est p2le, plus bas il est ocre clair, sa base est ocre brun , rouge2tre. 1a surface est /brilleuse longitudinalement, et porte tout en bas le feutre des cordons myc$liens. Il se termine par une ; racine < dont la longueur d$pend de la profondeur , la.uelle le c"ne d’$pic$a est enterr$. 1-4 Chair : elle est tr=s mince, blanc 2tre dans le c apeau mais oc rac$e dans le pied. Elle pr$sente une odeur faible et agr$able, sa saveur est douce. 1-5 Lames : $troitement $c ancr$es-adn$es , ascendantes , l’inser0on sur le pied, elles sont moyennement espac$es. Elles sont blanc-gris2tre puis cr=me. 1a- melles et lamellules pr$sentes. 1’ar&te est en0=re et concolore au( faces. 1-, Sporée : blanc e. 1-7 .abitat : sur les c"nes d’$pic$as enterr$s, ce7e esp=ce vient d=s la /n de l’ iver jus.u’au printemps, elle est rare en automne. 1-0 Réparon : esp=ce fr$.uente aussi bien en plaine .u’en montagne lors.ue l’ abitat et la saison sont ad$.uats. 2-OBSER12TIONS 1a collybie des c"nes d’$pic$as, comme son nom l’indi.ue, ne pousse .ue sur les c"nes plus ou moins enterr$s d’$pic$as. 3-INTER3T Aucun. 4-RIS4UES DE CON5USION Ce7e esp=ce peut &tre confondue avec Strobilurus stephanocyss .ui vient sur c"nes de pins au printemps ou aussi avec S trobilurus tenacellus .ui vient sur c"nes de pins en automne. On pourrait aussi confondre les Strobilurus avec Baeospora myosura .ui vient en automne sur les c"nes de pins et d’$pic$as mais dont les lames sont tr=s serr$es. T2BLE2U DE CO6P2R2ISON DES C.26PI7NONS 2 L26ES POUSS2NT SUR DI1ERS C8NES Vérifié en séance le 27 février 2014 Baeospora myosura Strobilurus esculentus Strobilurus stephanocyss Strobilurus tenacellus Mycena seynii Sur cnes de Pins surtout, épicéas… Epicéas Pins Pins Pins Saison Automne Printemps Printemps Printemps Eté, automne, hi er Lames Tr#s serrées Asse$ serrées Asse$ serrées Asse$ serrées Peu serrées Couleur des lames Blanc-gris&tre Blanc-gris&tre Blanc-gris&tre Blanc-gris&tre Rose p&le Ar(tes des lames Concolore au) faces Concolore au) faces Concolore au) faces Concolore au) faces Pourpre Sa eur Douce Douce Douce Amarescente Douce Réparon Plaine et montagne Plaine et montagne Surtout montagne Plaine et montagne Plaine, li,oral .
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