Fomitiporella vietnamensis
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Ordo: ORDO
Familia: FAMILIA
Genus: Fomitiporella
Name
Fomitiporella vietnamensis Y.C. Dai, X.H. Ji & J. Vlasák sp. nov. – Wikispecies link – Pensoft Profile
Holotype
VIETNAM. Lam Dong Province, Lac Duong District, Bidoup Nui Ba National Park, 15 Oct 2017, on angiosperm tree, Dai 18377 (BJFC).
Etymology
Vietnamensis (Lat.): referring to the distribution of the species in Vietnam.
Basidiomata perennial, effused-reflexed, imbricate, hard corky and without odor or taste when fresh, projecting up to 1 cm long, 4 cm wide and 5.5 mm thick. Pileal surface bearing curry-yellow and black zones when fresh, becoming deep olive when dry; pore surface bluish gray to ash-gray when fresh, becomes dark brick, shiny and uncracked on drying; margin yellowish-brown, less than 1 mm wide, thinning out; pores angular to circular, 4–7 per mm; dissepiments thin, slightly lacerate. Tubes rust-brown, paler contrasting with pores, up to 5 mm long. Subiculum dull brown, hard corky, up to 0.5 mm.
Hyphal structure
Hyphal system dimitic; generative hyphae simple septate; skeletal hyphae dominant; tissue darkening but otherwise unchanged in KOH.
Subiculum
Generative hyphae rare, hyaline to pale yellowish, thick-walled, rarely branched and septate, 2–2.5 µm in diam; skeletal hyphae dominant, golden yellow, thick-walled with a wide lumen, unbranched, aseptate, more or less flexuous, interwoven, 2–3.5 µm in diam.
Tubes
Generative hyphae frequent, hyaline to pale yellowish, thin- to fairly thick-walled, occasionally branched, frequently septate, 2–2.7 µm in diam; skeletal hyphae dominant, golden yellow, thick-walled, unbranched, aseptate, straight, more or less parallel along the tubes, 2–3 µm in diam; setae absent; cystidioles ventricose with elongated apical portion, 7–14 × 3–5 µm; basidia barrel-shaped, with four sterigmata and a simple basal septum, 10–16 × 5–6 μm; basidioles similar to basidia in shape, but slightly smaller.
Spores
Basidiospores broadly ellipsoid, yellowish-brown, thick-walled, IKI–, CB+, 4–4.8(–5) × (3–)3.2–3.7(–4) μm, L = 4.41 μm, W = 3.52 μm, Q = 1.23–1.28 (n = 60/2).
Additional specimen examined (paratype)
VIETNAM. Lam Dong Province, Lac Duong District, Bidoup Nui Ba National Park, 15 Oct 2017, on angiosperm tree, Dai 18382 (BJFC).
Original Description
- Ji, X; Vlasák, J; Tian, X; Dai, Y; 2018: Three new species of Fomitiporella (Hymenochaetales, Basidiomycota) based on the evidence from morphology and DNA sequence data MycoKeys, (30): 73-89. doi
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