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Subject Item

n2:420132

rdf:type

schema:CreativeWork bibo:Document

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Baral <i>et al.</i> (2023)

rdfs:isDefinedBy

taxref:taxref-ld

schema:datePublished

2023-01-01

dct:title

Baral <i>et al.</i> (2023)

schema:identifier

_:vb70014428

dct:abstract

<jats:p>A new genus and species, &lt;em&gt;Venturioscypha nigropila&lt;/em&gt;, is proposed for a minute inoperculate discomycete with long, cylindrical, partly flexuous, dark blackish-brown, smooth, finally thick-walled hairs. It has been collected repeatedly in Europe on dead, corticated branches of &lt;em&gt;Pinus&lt;/em&gt; spp. attached to living or recently dead trees. At first glance the species resembles members of &lt;em&gt;Pirottaea&lt;/em&gt; (&lt;em&gt;Pyrenopezizaceae&lt;/em&gt;), but the relationship is shown by molecular phylogenetics to be close to &lt;em&gt;Hyphodiscus&lt;/em&gt;, &lt;em&gt;Hyphopeziza&lt;/em&gt;, &lt;em&gt;Fuscolachnum&lt;/em&gt;, and &lt;em&gt;Venturiocistella&lt;/em&gt; (&lt;em&gt;Hyphodiscaceae&lt;/em&gt;). These genera differ in having hairs with more or less conspicuous warts, in &lt;em&gt;Hyphopeziza&lt;/em&gt; also with glassy solidifications, and &lt;em&gt;Venturiocistella&lt;/em&gt; in having in addition long, stiff, thick-walled, apically acute, dark brown hairs, which are warted in their lower part. The hair wall of &lt;em&gt;Venturioscypha&lt;/em&gt; appears superficially smooth, but the surface is inconspicuously pitted as viewed under light microscopy. &lt;em&gt;Venturioscypha&lt;/em&gt; is unique in &lt;em&gt;Hyphodiscaceae&lt;/em&gt; by its peculiar hairs, inamyloid asci with a thin apical wall that ruptures irregularly by a terminal split at spore discharge, spores with a delicate sheath, and apothecial proliferation.</jats:p>

bibo:abstract

<jats:p>A new genus and species, &lt;em&gt;Venturioscypha nigropila&lt;/em&gt;, is proposed for a minute inoperculate discomycete with long, cylindrical, partly flexuous, dark blackish-brown, smooth, finally thick-walled hairs. It has been collected repeatedly in Europe on dead, corticated branches of &lt;em&gt;Pinus&lt;/em&gt; spp. attached to living or recently dead trees. At first glance the species resembles members of &lt;em&gt;Pirottaea&lt;/em&gt; (&lt;em&gt;Pyrenopezizaceae&lt;/em&gt;), but the relationship is shown by molecular phylogenetics to be close to &lt;em&gt;Hyphodiscus&lt;/em&gt;, &lt;em&gt;Hyphopeziza&lt;/em&gt;, &lt;em&gt;Fuscolachnum&lt;/em&gt;, and &lt;em&gt;Venturiocistella&lt;/em&gt; (&lt;em&gt;Hyphodiscaceae&lt;/em&gt;). These genera differ in having hairs with more or less conspicuous warts, in &lt;em&gt;Hyphopeziza&lt;/em&gt; also with glassy solidifications, and &lt;em&gt;Venturiocistella&lt;/em&gt; in having in addition long, stiff, thick-walled, apically acute, dark brown hairs, which are warted in their lower part. The hair wall of &lt;em&gt;Venturioscypha&lt;/em&gt; appears superficially smooth, but the surface is inconspicuously pitted as viewed under light microscopy. &lt;em&gt;Venturioscypha&lt;/em&gt; is unique in &lt;em&gt;Hyphodiscaceae&lt;/em&gt; by its peculiar hairs, inamyloid asci with a thin apical wall that ruptures irregularly by a terminal split at spore discharge, spores with a delicate sheath, and apothecial proliferation.</jats:p>

dct:issued

2023-01-01

dct:bibliographicCitation

Baral, H., Kosonen, T., Polhorský, A., Stöckli, E., Huhtinen, S. &amp; Hansen, K. 2023. <em>Venturioscypha nigropila </em>(Hyphodiscaceae, Helotiales) – a new genus and species from xeric <em>Pinus </em>bark. <em>Karstenia</em>, 60(1-2): 28-48.

bibo:doi

10.29203/ka.2022.516

Subject Item

_:vb70014428

rdf:type

schema:PropertyValue

schema:propertyID

n8:P356

schema:value

10.29203/ka.2022.516