Taxon Details: Singerocomus rubriflavus T.W.Henkel & Husbands in T.W.Henkel, Obase, Husbands, Uehling, Bonito, Aime & M.E.Sm.
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Narratives:
Family:
Boletaceae (Basidiomycota)
Boletaceae (Basidiomycota)
Scientific Name:
Singerocomus rubriflavus T.W.Henkel & Husbands in T.W.Henkel, Obase, Husbands, Uehling, Bonito, Aime & M.E.Sm.
Singerocomus rubriflavus T.W.Henkel & Husbands in T.W.Henkel, Obase, Husbands, Uehling, Bonito, Aime & M.E.Sm.
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: 169. 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: 169. 2016
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Diagnosis: Pileus red, tomentose, areolate in center, pitted toward margin, trama light yellow, unchanging. Hymenophore tubulose, shallowly depressed and sublamellate at stipe, olivaceous yellow, darkening slightly with pressure, pores subangular, 1–1.5 per mm. Stipe equal, with light yellow squamules on concolorous ground over apical 1/3, recurved brownish red scales over concolorous or lighter ground over lower 2/3; base with yellowish brown appressed tomentum, trama white, unchanging, solid. Basidiospores olivaceous brown in deposit, smooth, subfusiform, mean Q = 1.94, inamyloid. Pleurocystidia ventricose to ventricose-rostrate. Cheilocystidia ventricose-rostrate or narrowly obclavate. Hymenophoral trama parallel to slightly divergent (phylloporoid), mediostratum indistinct. Pileipellis a trichodermium, of loosely aggregated filiform hyphae, terminal cells cylindrical. Clamp connections absent. NH4OH and KOH yellow to yellowish brown on pileus.
Registration number: MB 811840
Ectomycorrhiza: Pakaraimaea, Dicymbe
Distribution: Guyana
Diagnosis: Pileus red, tomentose, areolate in center, pitted toward margin, trama light yellow, unchanging. Hymenophore tubulose, shallowly depressed and sublamellate at stipe, olivaceous yellow, darkening slightly with pressure, pores subangular, 1–1.5 per mm. Stipe equal, with light yellow squamules on concolorous ground over apical 1/3, recurved brownish red scales over concolorous or lighter ground over lower 2/3; base with yellowish brown appressed tomentum, trama white, unchanging, solid. Basidiospores olivaceous brown in deposit, smooth, subfusiform, mean Q = 1.94, inamyloid. Pleurocystidia ventricose to ventricose-rostrate. Cheilocystidia ventricose-rostrate or narrowly obclavate. Hymenophoral trama parallel to slightly divergent (phylloporoid), mediostratum indistinct. Pileipellis a trichodermium, of loosely aggregated filiform hyphae, terminal cells cylindrical. Clamp connections absent. NH4OH and KOH yellow to yellowish brown on pileus.
Registration number: MB 811840
Ectomycorrhiza: Pakaraimaea, Dicymbe
Distribution: Guyana