Trichopeziza sulphurea ? sur Fallopia japonica

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Trichopeziza sulphurea ? sur Fallopia japonica

Bernard CLESSE, 01-06-2016 23:58

Bonsoir à tous,

Voici que je pense être un Trichopeziza, sur tige pourrie de renouée du Japon.

a) poils cylindriques, septés, un peu incrustés
b) asques IKI+, à crochet à la base
c) spores éttroitement fusiformes : 12-15x2-2,5

Qu'en pensez-vous ?

Bernard

Hans-Otto Baral, 02-06-2016 09:58

Re : Trichopeziza sulphurea ? sur Fallopia japonica

sulphurea has very long 3-septate guttulate spores.
Why not the group around T. mollissima? Did you see living paraphyses and their contents?

Bernard CLESSE, 02-06-2016 18:02

Re : Trichopeziza sulphurea ? sur Fallopia japonica

You are wright Zotto !

Spores are not septate-guttulate and content of paraphyses are not refringent in H2O. Size spores are not OK for Trichopeziza sulphurea.

So OK for Trichopeziza mollissima.

Bernard

Hans-Otto Baral, 02-06-2016 18:12

Re : Trichopeziza sulphurea ? sur Fallopia japonica

yes, in a wide sense - actually this is a complex of species.

Bernard CLESSE, 02-06-2016 19:18

Re : Trichopeziza sulphurea ? sur Fallopia japonica

OK Zotto, Trichopeziza mollissima (s.l.)

Bernard

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