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Laccaria Amethystina Amethystina Laccaria 4 De 1 Página 20131229

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Laccaria Amethystina Amethystina Laccaria 4 De 1 Página 20131229 © Demetrio Merino Alcántara [email protected] Condiciones de uso Laccaria amethystina Cooke, Grevillea 12(no. 63): 70 (1884) Hydnangiaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Agaricomycotina, Basidiomycota, Fungi ≡ Agaricus amethystinus Huds., Fl. Angl., Edn 2 2: 612 (1778) ≡ Agaricus amethystinus Scop., Fl. Angl., Edn 2 2: 612 (1778) var. amethystinus ≡ Agaricus amethystinus var. ioides Pers., Mycol. eur. (Erlanga) 3: 228 (1828) ≡ Agaricus amethystinus var. purpurellus Pers., Mycol. eur. (Erlanga) 3: 228 (1828) = Agaricus lividopurpureus With., Bot. arr. Brit. pl., Edn 2 (London) 3: 366 (1792) ≡ Clitocybe amethystina (Cooke) Peck, Ann. Rep. N.Y. St. Mus. nat. Hist.: 128 (1897) ≡ Collybia amethystina (Cooke) Quél., Fl. mycol. France (Paris): 237 (1888) ≡ Laccaria amethystea var. vinosostriata Ballero & Contu, Rendiconti Seminario Fac. Sci. Univ. Cagliari 59: 117 (1989) = Laccaria hudsonii Pázmány, Z. Mykol. 60(1): 7 (1994) = Laccaria hudsonii Pázmány, Z. Mykol. 60(1): 7 (1994) var. hudsonii = Laccaria hudsonii var. vinosostriata (Ballero & Contu) Pázmány, Notulae Botanicae, Horti Agrobotanici Cluj-Napoca 24-25: 9 (1996) [1994-95] ≡ Laccaria laccata var. amethystina (Cooke) Rea, Brit. basidiomyc. (Cambridge): 290 (1922) ≡ Russuliopsis laccata var. amethystina (Cooke) J. Schröt., in Cohn, Krypt.-Fl. Schlesien (Breslau) 3.1(33–40): 623 (1889) Material estudiado: España, Cádiz, Algeciras, La Argamasilla, 30STE7396, 524 m, en suelo en bosque de Quercus suber, 29-XII-2013, leg. Concha Morente, Dianora Estrada, Tomás Illescas y Demetrio Merino, JA-CUSSTA: 8624. Descripción macroscópica: Sombrero de 1-4 cm Ø, de convexo a aplanado, con borde incurvado y ondulado, con cutícula escuamosa de color violáceo que se decolora al secarse. Láminas adnadas, espaciadas y de color violáceo. Pie de 5-9 x 0,8-1,1 cm, cilíndrico, atenuado en el ápice, estriado longitudinalmente, concoloro, con fibrillas blanquecinas a cremosas. Descripción microscópica: Basidios cilíndricos a subclaviformes, tetraspóricos y con fíbula basal. Basidiosporas globosas, ornamentadas con finas espinas, hialinas, gutuladas, apiculadas, de (5,1-)6,1-8,4(-9,3) x (4,8-)5,8-8,0(-8,9) µm; Q = 1,0-1,1; N = 96; Me = 7,1 x 6,8 µm; Qe = 1,0. Pseudocistidios multiformes, filiformes, flexuosos o vesiculares, algunos bifurcados, de tamaños diversos. Píleocutis de hifas más o menos paralelas, algunas con terminaciones ascendentes y con septos fibulados. Laccaria amethystina 20131229 Página 1 de 4 A. Basidios. B. Esporas. Laccaria amethystina 20131229 Página 2 de 4 C. Cistidios. D. Píleocutis. Observaciones Se caracteriza por los colores violáceos intensos en todo el carpóforo, láminas espaciadas y esporas globosas. Laccaria purpureo- badia D.A. Reid es de color marrón púrpura, con láminas de color gris rosado y esporas elipsoidales (ROUX, 2006). Laccaria bicolor (Mre.) Ort. tiene tintes liláceos sólo en las láminas y en la base del pie y las esporas son subglobosas a elipsoidales (BREITENBACH & KRÄNZLIN, 1991). Otras descripciones y fotografías BREITENBACH J. & F. KRÄNZLIN (1991). Fungi of Switzerland Vol. 3. Bolets and agarics 1st. part. Mykologia Luczern. Pág. 202. ROUX P. (2006) Mille et un champignons. Edit. Roux. Pág. 445. Laccaria amethystina 20131229 Página 3 de 4 Salvo indicación en contrario, las fotos están realizadas por Demetrio Merino. Laccaria amethystina 20131229 Página 4 de 4 .
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