Cerarioporia cystidiata
Cerarioporia cystidiata F. Wu, L.W. Zhou & J. Si 2016, in in Wu et al., Phytotaxa, 280, 55-62 (2016).
Etymology: Cystidiata (Lat.): referring to the presence of cystidia of the species.
Description: Basidiocarps annual, resupinate, easily separable from substrate, waxy and without odour and taste when fresh, drying resinous, up to 10 cm long, 5 cm wide and 4 mm thick at centre. Pore surface white to cream when fresh, pinkish buff with age, drying dirty cinnamon; pores mostly (round) to angular, 2–3 per mm; dissepiments thin, lacerate. Subiculum cinnamon buff, resinous, very thin to almost lacking, around 0.1 mm thick. Tube layer concolorous with the pore surface, resinous, up to 3.9 mm long.Hyphal system dimitic; generative hyphae infrequent, bearing clamped; skeletal hyphae dominant, IKI–, CB–;tissue unchanged in KOH. Subiculum generative hyphae infrequent, hyaline, thin- to slightly thick-walled, occasionally branched, 3–5.5 μm in diam.; skeletal hyphae dominant, thick-walled with a narrow to medium lumen, occasionally branched, flexuous, interwoven, 4–7 μm in diam. Tubes tramal generative hyphae infrequent, hyaline, thin- to slightly thick-walled, rarely branched, 3–5 μm in diam.; skeletal hyphae dominant, thick-walled with a narrow to wide lumen, occasionally branched, more or less straight, gelatinous, interwoven, 3–6 μm in diam. Hymenium cystidia abundant, ventricose, hyaline, thick-walled, apically encrusted, 28–36 × 12–16 μm; basidia clavate, hyaline, thin-walled, with four sterigmata and a clamp connection at the base, 28–37 × 6–7 μm; basidioles in shape similar to basidia, distinctly shorter than basidia; basidiospores fusiform, hyaline, thin-walled, smooth, IKI–, CB–, 7–9(–10) × (3–)3.5–4.5(–5) μm, L = 8.37 μm, W = 3.97 μm, Q = 2.2–2.69 (n = 60/2).
Index Fungorum Number: IF815484
Figure 1. Phylogenetic position of Cerarioporia cystidiata inferred from the concatenated dataset of n28S and ITS sequences. The topology is calculated by the maximum likelihood method with statistical values, respectively, from the maximum likelihood and Bayesian inference methods at the nodes. The GenBank accession numbers of n28S and ITS sequences are labeled after the species names (for two numbers, the former is for n28S region and the latter for ITS region). The newly sequenced specimens are in boldface.
Figure 2. Basidioma of Cerarioporia cystidiata. Photo by Yu-Cheng Dai.
Figure 3. Microscopic structures of Cerarioporia cystidiata (drawn from the holotype). a: Basidiospores. b: Basidia and basidioles. c: Cystidia. d: Hyphae from trama. e: Hyphae from subiculum. Drawings by Hai-Jiao Li.
Reference:
Wu, F., Zhou, L. W., Yuan, Y., Tian, X. M., & Si, J. (2016). Cerarioporia cystidiata gen. et sp. nov.(Polyporales, Basidiomycota) evidenced by morphological characters and molecular phylogeny. Phytotaxa, 280, 55-62.
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