Hemileccinum

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Hemileccinum
Boletus impolitus 2009 G2.jpg
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Boletales
Family:
Boletaceae
Genus:
Hemileccinum

Šutara (2008)
Type species
Hemileccinum impolitum
(Fr.) Šutara (2008)
Species


H. impolitum
H. subglabripes

Hemileccinum is a genus of fungi in the family Boletaceae. It was erected in 2008 by Josef Šutara to contain two species united by a number of shared morphological features: and the type H. impolitum.[1] In 2014, Wu et al. found it to be distinct from other bolete genera in a molecular phylogenetic study and found it to be most closely related to Corneroboletus.[2] In 2015, was transferred to Hemileccinum from Boletus based on DNA evidence,[3] while subsequent studies further confirmed the monophyly of the genus.[4]

Morphological Features of Xerocomoid Boletes[1][5][6]

Boletus s.str. Hemileccinum Xerocomellus Xerocomus s.str.
Spore Surface Smooth Smooth Longitudinally striated or smooth, never bacilate Bacilate
Hymenophoral trama Boletoid type with gelatinous lateral strata Boletoid type with gelatinous lateral strata Intermediate between boletoid and phylloporoid when fully developed with distinct but weakly gelatinous lateral strata Phylloporoid type with nongelatinous lateral strata
Pileipellis Trichoderm, sometimes collapsing, rarely ixotrichoderm or other Initially trichoderm but collapses with age Initially palisadoderm, typically encrusted Initially a trichoderm, never encrusted
Lateral stipe stratum Frequently gelatinous, 60-90 μM thick, thicker than that of Xerocomellus Similar to that of Leccinum species, ornamented with stipe scabrousities up to 400-640 μM thick Frequently not present, reduced to no more than 30-40 μM thick, not gelatinous Lateral stipe stratum never gelatinous and 80-200 μM thick

References[]

  1. ^ a b Šutara J. (2008). "Xerocomus s. l. in the light of the present state of knowledge" (PDF). Czech Mycology. 60 (1): 29–62.
  2. ^ Wu, Gang; Feng, Bang; Xu, Jianping; Zhu, Xue-Tai; Li, Yan-Chun; Zeng, Nian-Kai; Hosen, Md. Iqbal; Yang, Zhu L. "Molecular phylogenetic analyses redefine seven major clades and reveal 22 new generic clades in the fungal family Boletaceae". Fungal Diversity. 69 (1): 93-115. doi:10.1007/s13225-014-0283-8.
  3. ^ Halling, Roy E.; Fechner, Nigel; Nuhn, Mitchell; Osmundson, Todd; Soytong, Kasem; Arora, David; Binder, Manfred; Hibbett, David (2015). "Evolutionary relationships of Heimioporus and Boletellus (Boletales), with an emphasis on Australian taxa including new species and new combinations in Aureoboletus, Hemileccinum and Xerocomus". Australian Systematic Botany. 28 (1): 1–22. doi:10.1071/SB14049.
  4. ^ Loizides M, Bellanger JM, Assyov B, Moreau PA, Richard F (2019). "Present status and future of boletoid fungi (Boletaceae) on the island of Cyprus: cryptic and threatened diversity unraveled by 10-year study". Fungal Ecology. 41 (13): 65–81.
  5. ^ Šutara, J. (1989). "The delimitation of the genus Leccinum". Ceská Mykologie. 43: 1–12.
  6. ^ Šutara J. (1991). "Pseudoboletus, a new genus of Boletales". Ceská Mykologie. 45 (1–2): 1–9.



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