Thelotrema hians Stirt.
Details
Thelotrema hians Stirt., J. Linn. Soc., Bot. 14: 465 (1875)
Thelotrema hians Stirt.
Biostatus
Nomenclature
Stirt.
Stirt.
1875
465
ICN
Thelotrema hians Stirt.
species
Thelotrema hians
Classification
Synonyms
Descriptions
Thallus spreading in irregular patches, thin, continuous, irregularly wrinkled, plicate or minutely papillate, matt, olive-green, rarely minutely areolate-cracked, in parts minutely maculate (×10 lens). Apothecia numerous, from minute pin pricks to swollen dimples or papillae, to 1.0 mm diam., frequently less, pore neatly rounded, 0.02-0.3 mm diam., margins swollen, entire, concolorous with thallus or ± buff coloured, exciple detached, disc whitish-pruinose, grey-black below. Exciple carbonised. Columella absent. Hymenium colourless 115-130 µm thick. Hypothecium c. 22 µm thick, grey-black. Paraphyses filiform, dense, slightly thickened at apices. Asci 8-spored, spores slightly spirally arranged. Ascospores colourless, ovoid-ellipsoid, pointed at one end rounded at other, straight or slightly curved, 6-10-locular, 26-34 × 6.8-8.3 µm. Chemistry: Thallus K+ yellow → red. Salazinic acid with traces of stictic and constictic acids.
Taxonomic concepts
Ocellularia hians (Stirt.) Müll.Arg.
Ocellularia hians (Stirt.) Müll.Arg.
Thelotrema hians Stirt.
Thelotrema hians Stirt.
Thelotrema hians Stirt.
Historic biostatus
Metadata
9c11577a-7478-46c0-a692-fa0790725b00
scientific name
Names_Plants
1 January 2000
18 January 2017