Dendrothele andina (Pat.) Nakasone, 2006

Gorjón, Sergio P. & Jesus, Maria Aparecida De, 2012, Some new species and new records of corticioid fungi (Basidiomycota) from the Brazilian Amazon, Phytotaxa 67 (1), pp. 38-54 : 41

Dendrothele andina (Pat.) Nakasone

Basidiome resupinate, hymenophore smooth, white to pale cream, with sterile hyphal pegs about 80–100 µm long and 12–30 µm in diam., margin abrupt. Hyphal system monomitic, hyphae with clamps. Dendrohyphidia present among basidia and forming the hyphal pegs. Cystidia absent. Basidia at first globose, then suburniform, 15–25 × 7–9 µm, with two stout sterigmata, basally clamped. Basidiospores ellipsoid, 10–13 × 8–9 µm, smooth, with thin or distinct walls but not thick-walled, IKI-, with some guttules ( Fig. 2 ).

The species was previously known only from the type locality in Ecuador ( Nakasone 2006). It is characterized by the presence of hyphal pegs, hyphae with clamps, and bisterigmate basidia .

Specimen examined: — BRAZIL, Amazonas , Manaus , IFAM Campus ( Instituto Federal de Educação , Ciência e Tecnologia do Amazonas), 5 May 2012, on bark of living hardwood, leg. S.P. Gorjón, SPG 3483 .

Figures

FIGURE 1–4. 1. Ceraceopsis verruculosa. 2. Dendrothele andina. 3. Dendrothele nakasoneae. 4. Dendrothele ornata. a. Basidiospores. b. Basidia. ca. Capitate hyphidia. d. dendrohyphidia. en. needle-like encrusted projections. g. Gloeocystidia. h. Hyphae (generative). hc. Host cells. hp. Hyphal pegs. i. Hyphidia. p. Probasidia. sh. Subicular hyphae.