Fungi, Dikarya, Basidiomycota, Agaricomycotina, Agaricomycetes, Agaricomycetidae, Boletales, Boletaceae, Butyriboletus
Aktueller Name gem. MycoDB
Current name: Butyriboletus fuscoroseus (Smotl.) Vizzini & Gelardi, Index Fungorum 162: 1 (2014) [MB#550631]
Basionym:
Boletus fuscoroseus Smotl., Sitzungsberichte der Königlichen Böhmischen Gesellschaft der Wissenschaften: 47 (1912) [MB#102581]
Obligate synonym: Butyriboletus fuscoroseus (Smotl.) D. Arora & J. L. Frank, Clarifying the Butter Boletes: a new genus, Butyriboletus, is established to accommodate Boletus sect. Appendiculati, and seven new species are described (2013) [MB#803322]
Pileus brownish-pink, on the margin remaining long pink, rarely with
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complete pink-reddish coloured pileus, especially in dry weather very
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finely scaly, also cracked, with alcohol red, stem yellow, against base with
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reddish tones, net like the ground or reddish coloured, context, pores and
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tubes bluing, in context of pileus distinctly above tubes or completely, in
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base of stipe often pink, guaiac –, without amyloid reaction, in the bites of
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the snails, especially on stem and at fresh basidiomata reddish colour,
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spores –14(–15) × 5(–6) µm, in average 11.6 × 4.6 µm, Q = 2.4–2.7,
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pileipellis hyphae with strong incrustations 3–5.5 µm broad, under deciduous
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trees, rather on lime (compare Rubroboletus pulchrotinctus)