Iugisporipsathyra J.Q. Yan, Y.G. Fan & S.N. Wang, 2022
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publication ID |
https://dx.doi.org/10.3897/mycokeys.90.85690 |
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persistent identifier |
https://treatment.plazi.org/id/3F06F9DF-4D54-56D4-94DA-8EB9ED2BF448 |
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treatment provided by |
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scientific name |
Iugisporipsathyra J.Q. Yan, Y.G. Fan & S.N. Wang |
| status |
gen. nov. |
Iugisporipsathyra J.Q. Yan, Y.G. Fan & S.N. Wang gen. nov.
Etymology.
Iugi-, iugis (Latin), ridge; -spori-, sporis (Latin), spores; Iugispori-, refers to its spore ornamentation; -psathyra, one of the synonyms of Psathyrella , refers to its similarity to Psathyrella .
Description.
Basidiomata psathyrelloid, fragile, non-deliquescent. Pileus hygrophanous, rugose to appearing reticulate ridged, covered by persistent and inconspicuous villus. Lamellae adnexed, brown. Stipe white, central, hollow. Spores amygdaliform in profile view, ovoid to elongate in face view, inamyloid, brown, fades in concentrated sulphuric acid, ridged and rarely verrucose ornamentation, suprahilar plage obvious. Basidia monomorphic. Pseudoparaphyses abundant. Pleurocystidia absent. Cheilocystidia present. Pileipellis hymeniderm, pyriform cell mixed with simple hairs.
Type species.
Iugisporipsathyra reticulopilea J.Q. Yan, Y.G. Fan & S.N. Wang
Notes.
The combination of veil absent, pleurocystidia absent and spores ornamented with ridges or rarely verrucose, with an obvious suprahilar plage is unique in Psathyrellaceae.
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