13-04-2024 11:44
Riet van Oosten
Hello, Found by Laurens van der Linde, April 2024
16-04-2024 17:43
Giovanni ANTOLA
Bonjour,Trouvé sous paille humide, autour d'un je
17-04-2024 10:44
Bernard CLESSE
Juste à côté du cône avec "Hyphodiscus ayelii"
16-04-2024 22:53
Bernard CLESSE
Bonsoir à toutes et tous,Pourriez-vous m'aider à
Hypoxylon macrocarpum on Corylus?
Marc Detollenaere,
24-10-2018 19:57
On Carpinus we found some multi-peritheciate stromata with a blue metallic shine.Stromata were mostly immersed.With KOH 5% a greyish pigment was extracted and we could also observe a slightly dehiscent perispore.Spores measured 10-11x4µ.
We thought it matched quite well with the description of Hypoxylon macrocarpum from Pouzar(1978).
Could you agree?
Yannick Mourgues,
24-10-2018 21:55
Re : Hypoxylon macrocarpum on Corylus?
Hi.
Yes, I think you're right. See Jacques Fourier's description : http://pyrenomycetes.free.fr/hypoxylon/html/Hypoxylon_macrocarpum.htm
Yannick
Eduard Osieck,
25-10-2018 22:27
Re : Hypoxylon macrocarpum on Corylus?
Hi Marc,
The perithecia should be more or less cylindrical (see next issue of Coolia).
Eduard
The perithecia should be more or less cylindrical (see next issue of Coolia).
Eduard
Marc Detollenaere,
26-10-2018 00:01
Re : Hypoxylon macrocarpum on Corylus?
Hello Eduard,
If it not macrocarpum, what would you suggest?
Marc Detollenaere,
26-10-2018 20:31
Re : Hypoxylon macrocarpum on Corylus?
Merci Yannick
Thomas Læssøe,
29-10-2018 11:58
Re : Hypoxylon macrocarpum on Corylus?
I would suggest a species of Nemania. Perithecial contours are visible on the stromatal surface and the ostioles would appear to be papillate and the ascus plug is too long to fit Hypoxylon
cheers
Thomas
cheers
Thomas
Marc Detollenaere,
30-10-2018 07:03
Re : Hypoxylon macrocarpum on Corylus?
Hello Thomas,
I think you are right. I have been misleaded by the apical apparatus.
That also explains the minimal reaction on KOH.
I discussed the matter with Bernard Declercq who thinks is Nemania serpens var. colliculosa.
Marc
I think you are right. I have been misleaded by the apical apparatus.
That also explains the minimal reaction on KOH.
I discussed the matter with Bernard Declercq who thinks is Nemania serpens var. colliculosa.
Marc