Taxon Details: Binderoboletus segoi T.W.Henkel & Husbands in T.W.Henkel, Obase, Husbands, Uehling, Bonito, Aime & M.E.Smith
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Narratives:
Family:
Boletaceae (Basidiomycota)
Boletaceae (Basidiomycota)
Scientific Name:
Binderoboletus segoi T.W.Henkel & Husbands in T.W.Henkel, Obase, Husbands, Uehling, Bonito, Aime & M.E.Smith
Binderoboletus segoi T.W.Henkel & Husbands in T.W.Henkel, Obase, Husbands, Uehling, Bonito, Aime & M.E.Smith
Primary Citation:
New Boletaceae taxa from Guyana: Binderoboletus segoi gen. and sp. nov., Guyanaporus albipodus gen. and sp. nov., Singerocomus rubriflavus gen. and sp. nov., and a new combination for Xerocomus inundabilis.
Mycologia 108: 159. 2016
New Boletaceae taxa from Guyana: Binderoboletus segoi gen. and sp. nov., Guyanaporus albipodus gen. and sp. nov., Singerocomus rubriflavus gen. and sp. nov., and a new combination for Xerocomus inundabilis.
Mycologia 108: 159. 2016
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Diagnosis: Pileus olive-yellow to olive-brown, matted fibrillose, with age finely subareolate, subviscid, glossy when dry, trama light yellow, unchanging. Hymenophore tubulose, adnate, sublamellate at stipe, light yellow, browning with pressure, pores subisodiametric, 1–2 per mm. Stipe subequal, concolorous and longitudinally striate over lower 1/2, yellowing and reticulate over upper 1/2, base yellow tomentose with concolorous hyphal cords, trama bright yellow. Basidiospores olivaceous brown in deposit, smooth, subfusiform, mean Q = 2.2, dextrinoid in Melzer’s reagent. Basidia narrowly clavate to clavate, sterigmata mostly two or four. Pleurocystidia narrowly ventricose to ventricose-rostrate, contents dextrinoid in Melzer’s reagent. Cheilocystidia few. Hymenophoral trama parallel to slightly divergent (phylloporoid), mediostratum indistinct. Pileipellis an entangled cutis, hyphae externally incrusted, terminal cells cylindrical. Stipitipellis hymenidermous. Clamp connections absent. NH4OH slightly orange-brown on pileus, stipe, and trama.
Registration number: MB 811835
Distribution: Guyana
Ectomycorrhiza: Dicymbe, Aldina
Commentary: Epigeous member of the Leccinoideae, allied to Retiboletus.
Diagnosis: Pileus olive-yellow to olive-brown, matted fibrillose, with age finely subareolate, subviscid, glossy when dry, trama light yellow, unchanging. Hymenophore tubulose, adnate, sublamellate at stipe, light yellow, browning with pressure, pores subisodiametric, 1–2 per mm. Stipe subequal, concolorous and longitudinally striate over lower 1/2, yellowing and reticulate over upper 1/2, base yellow tomentose with concolorous hyphal cords, trama bright yellow. Basidiospores olivaceous brown in deposit, smooth, subfusiform, mean Q = 2.2, dextrinoid in Melzer’s reagent. Basidia narrowly clavate to clavate, sterigmata mostly two or four. Pleurocystidia narrowly ventricose to ventricose-rostrate, contents dextrinoid in Melzer’s reagent. Cheilocystidia few. Hymenophoral trama parallel to slightly divergent (phylloporoid), mediostratum indistinct. Pileipellis an entangled cutis, hyphae externally incrusted, terminal cells cylindrical. Stipitipellis hymenidermous. Clamp connections absent. NH4OH slightly orange-brown on pileus, stipe, and trama.
Registration number: MB 811835
Distribution: Guyana
Ectomycorrhiza: Dicymbe, Aldina
Commentary: Epigeous member of the Leccinoideae, allied to Retiboletus.