Abstract
An interesting species of the genus Gliophorus (sect.Glutinosae), collected from Sikkim Himalaya in India, is described here as G.glutinosussp. nov. after thorough morphological examination and phylogenetic analysis. The species is mainly characterised by its strongly glutinous basidiomata throughout, particularly on the twisted stipe, decurrent lamellae with glutinous edge, gelatinised cheilocystidia, presence of pleuropseudocystidia and absence of clamps in hyphae of the pileipellis. This communication includes detailed morphological description, illustrations, comparison with the allied taxa, nrITS based phylogeny of this novel taxon and a key to the species under Gliophorussect.Glutinosae.
Highlights
Gliophorus Herink (1958: 80) is a member of tribe Humidicuteae, subfamily Hygrocyboideae of Hygrophoraceae (Agaricomycetes, Basidiomycota) and featured by its glutinous basidiomata, variously coloured but never bright red; sinuate or decurrent lamellae, which are sometimes gelatinised at edge; basidiospores smooth, hyaline, thin-walled, inamyloid, ovoid to ellipsoid; presence or absence of ixocheilocystidia; basidia mostly 4-spored, presence of basal clamp in basidia and basidioles; irregular hymenial trama; pileipellis an ixotrichoderm
Glutinosae, typified by Gliophorus laetus (Persoon 1800: 48) Herink (1959: 84), is further characterised by plano-convex pileus that is often indented in centre; green, olive, blue, violet, pink, salmon, yellow, buff, orange or orangish-brown coloured pileus; decurrent lamellae with gelatinised edge; cheilocystidia usually present and embedded in gelatinous matrix; basidiospores mostly binucleate
The nuclear ribosomal internal transcribed spacer (nrITS)-sequence dataset consists of 40 sequences
Summary
Gliophorus Herink (1958: 80) is a member of tribe Humidicuteae, subfamily Hygrocyboideae of Hygrophoraceae (Agaricomycetes, Basidiomycota) and featured by its glutinous basidiomata, variously coloured but never bright red; sinuate or decurrent lamellae, which are sometimes gelatinised at edge; basidiospores smooth, hyaline, thin-walled, inamyloid, ovoid to ellipsoid; presence or absence of ixocheilocystidia; basidia mostly 4-spored, presence of basal clamp in basidia and basidioles; irregular hymenial trama; pileipellis an ixotrichoderm Glutinosae, typified by Gliophorus laetus (Persoon 1800: 48) Herink (1959: 84), is further characterised by plano-convex pileus that is often indented in centre; green, olive, blue, violet, pink, salmon, yellow, buff, orange or orangish-brown coloured pileus; decurrent lamellae with gelatinised edge; cheilocystidia usually present and embedded in gelatinous matrix (ixocheilocystidia); basidiospores mostly binucleate
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