Lopharia resupinata S.H. He, S.L. Liu & Y.C. Dai, Liu, Shi-Liang, Nakasone, Karen K., Wu, Sheng-Hua, He, Shuang-Hui & Dai, Yu-Cheng, 2018

Liu, Shi-Liang, Nakasone, Karen K., Wu, Sheng-Hua, He, Shuang-Hui & Dai, Yu-Cheng, 2018, Taxonomy and phylogeny of Lopharia s. s., Dendrodontia, Dentocorticium and Fuscocerrena (Basidiomycota, Polyporales), MycoKeys 32, pp. 25-48: 25

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Lopharia resupinata S.H. He, S.L. Liu & Y.C. Dai

sp. nov.

Lopharia resupinata S.H. He, S.L. Liu & Y.C. Dai   sp. nov. Figs 2 A–B, 3


Distinguished from other Lopharia   species by its resupinate basidiocarps, a densely compact texture, a monomitic hyphal system and small basidiospores 7 –9(– 10) × 4-5 µm.


CHINA. Jiangxi Province: Anyuan County, Sanbaishan Forest Park, on fallen angiosperm branch, 15 Aug. 2016, He 4401 (holotype, BJFC 023842!).


" resupinata   " (Lat.) refers to the resupinate basidiocarps.

Fruiting body.

Annual, resupinate, adnate, ceraceous, hygrophanous, not separable from the substrate when fresh, becoming crustaceous, brittle and easily detached from substrate upon drying, first as small patches, later confluent up to 20 cm long, 2.5 cm wide, up to 400 µm thick. Hymenophore smooth, under a lens pilose from projecting cystidia, pale orange (6A3), orange grey (6B2) to greyish-orange (6B3) when fresh, becoming brownish-orange [6C(2-4)] to light brown [6D(4-5)] upon drying, uncracked; margin abrupt, concolorous when fresh, reflexed and incurved upon drying, abhymenial surface white (6A1).

Microscopic structures.

Hyphal system monomitic, generative hyphae with clamp connections. Subiculum thin, with numerous small crystals; hyphae hyaline, thin- to slightly thick-walled, moderately septate and branched, interwoven, 2-3.5 µm in diam. Subhymenium thickening, up to 300 µm thick; hyphae hyaline, slightly thick-walled, vertically arranged, densely agglutinated, 2-4 µm in diam. Lamprocystidia abundant, arising from subhymenium, subulate, heavily encrusted with crystals, distinctly thick-walled, embedded in subhymenium or exerted, 80-150 × 10-20 µm. Basidia clavate, with a basal clamp connection and four sterigmata, 50-65 × 8-10 µm; basidioles dominating in hymenium, similar to basidia but smaller. Basidiospores ellipsoid, hyaline, thin-walled, smooth, containing a large guttule, IKI–, CB–, 7 –9(– 10) × 4-5 µm, L = 7.9 µm, W = 4.4 µm, Q = 1.81 (n = 30/1).


Lopharia resupinata   , like L. ayresii   , has a resupinate habit, a monomitic hyphal system and a densely compact texture. Lopharia ayresii   (Fig. 2E), however, has larger basidiospores (11.2 ± 0.7 × 6.4 ± 0.4 µm, from type, Boidin and Gilles 1991). In Fig. 1, L. resupinata   and L. ayresii   cluster together. Lopharia cinerascens   and L. mirabilis   differ from L. resupinata   by having effused-reflexed to pileate basidiocarps, a dimitic hyphal system and larger basidiospores ( Hjortstam and Ryvarden 1990, Boidin and Gilles 2002). Lopharia resupinata   has a thickening subhymenium with embedded lamprocystidia, characters that are also found in species of Phlebiopsis   Jülich.