Geopora tolucana

Coll. ITCV 1325
Coll. ITCV 1325
© G. Guevara

Geopora tolucana Guevara, Göker & Stielow, Mycol. Progr., 11 (3): 717 (2012).

 

Basionym Geopora tolucana Guevara, Göker & Stielow, Mycol. Progr., 11 (3): 717 (2012).

Diagnosis Ascoma subterraneum, 45 × 42 × 32 mm, globosum vel subglobosum, pannosum, convolutum, fragile, fuscum, tomentosum vel hispide (capilli ochrei), sulci impleti myceliis et ruderibus, cum foraminibus communicantibus cum cubiculis in glebam. Odor funginus, mensio non descripta. KOH 5% reactio in peridio et mycelio subnigre. Fasciculus mycelialis ad fundamentum, capilli ochrei cum ruderibus et terra affixi. Gleba cassa cum cubicula, labyrinthoidis, clara fusca, velutilis, definita claro fusco strato. Peridium 100–150 μm latitudine, insolvabile, duo strata. Stratum exterius (epicutis) 70–120 μm latitudine, pseudoparenchymatosum, angulatae vel isodiametrales cellae, 10–48 μm latitudine, paries crassus, badiae, formantes tenuas verrucas orientibus capillosis diffusis vel tumidae hyphae in acuminibus, 6–18 μm latitudine in fundamento, cum punctuationibus vel incrustationibus in pariete cellae, septatae, badiae. Stratum interius (subcutis) 20–100 μm latitudine, prostratae et intextae hyphae, pariete tenui, hyalinum in KOH 5%. Sporae 20–30 × 16–23 μm, subglobosae, late ellipsoides spectatae desuper, leves, pariete tenui, hyalinae in KOH 5%, cum massa granata vel oleosa intracellularis. Subhymenium hypharum hyalinarum intextarum, 9 μm in diam. Asci octosporicae, uniseriales, 175–210 × 18–22 μm, operculate, cylindrici et bifurcati pediceles, hyalini in KOH 5%, pariete crasso. Paraphyses excedentes stratum asci et formantes pseudoepithecium, pariete tenui, hyalinae in KOH 5%.

Type Guevara 1081 (ICTV) - holotypus

MycoBank 561900

 

Literature
Guevara-Guerrero G., Stielow B., Tamm H., Cázares-Gonzalez E., Göker M. 2012. Genea mexicana, sp. nov., and Geopora tolucana, sp. nov., new hypogeous Pyronemataceae from Mexico, and the taxonomy of Geopora reevaluated. Mycological Progress, 11 (3): 711-724.

Classification: Pyronemataceae, Geopora


Created on 27/05/2015.

Updated on 01/08/2023.

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