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50227 - Orbilia rose ?
Roland Labbé,
11-03-2010 06:08
Voici un disco rose que nous pensons être une Orbilia !!!
Merci de nous aider
Amitiés, Roland
Détails :
Date de récolte : 11 / 07 /2009
Substrat: souche de peuplier
Spores ellipsoïdes, à paroi épaisse, finement verruqueuses, biguttulées, hyalines en NaCl iso., 6,5-7 x 3-3,5 µm en moyenne
Asques à 8 spores unisériées à l'horizontale, avec appareil apical amyloïde et crochet à la base, à contenu rarement rougeâtre, jaune vif en Lugol, 65-70 x 5-8 µm en moyenne
Paraphyses cylindriques, à 1 septum, avec nombreuses petites guttules et petites granulations, ne dépassant pas les asques, 2-2,5 µm de diam. en moyenne
Excipulum en textura globulosa-angularis à la base et en textura porrecta latéralement, avec cellules cylindriques à ventrues ou largement fusoïdes, 5-10 x 20-30 µm en moyenne
Poils abondants à la grandeur de l'excipulum, espacés, cylindriques, parfois repliés en accordéon, ramifiés ou non, très réfringents et souvent couverts de cristaux rhombiques (?), 1,5-2,5 µm de diam. en moyenne
Guy Marson,
11-03-2010 09:00
Re:50227 - Orbilia rose ?
Salut Roland,
pas d'Orbilia mais Ombrophila sp. Attendons Zotto pour la confirmation ou non de O. lilacina.
Amitiés,
Guy
pas d'Orbilia mais Ombrophila sp. Attendons Zotto pour la confirmation ou non de O. lilacina.
Amitiés,
Guy
Hans-Otto Baral,
11-03-2010 12:47
Re:50227 - Orbilia rose ?
Oui oui, Guy is quite right. I first also thought Ombrophila lilacina, but the spores are much too small, and the crystals, strong gelatinization, and stalked gregarious apos tell for another species. I have no idea!
Zotto
Zotto
Roland Labbé,
11-03-2010 19:48
Re:50227 - Orbilia rose ?
Hi Zotto !
How can I go further with this unkown ?
Is it really an Omphophila ?
What's missing !
Do you try a key on that genus ? Can I have it ?
Thank you agan !
Roland
How can I go further with this unkown ?
Is it really an Omphophila ?
What's missing !
Do you try a key on that genus ? Can I have it ?
Thank you agan !
Roland
Hans-Otto Baral,
11-03-2010 20:02
Re:50227 - Orbilia rose ?
Hi Roland
the key is on the DVD, or in the attach here, but I fear the species is not to be found there.
The key is in German, I never translated it.
Zotto
the key is on the DVD, or in the attach here, but I fear the species is not to be found there.
The key is in German, I never translated it.
Zotto
Roland Labbé,
11-03-2010 20:33
Re:50227 - Orbilia rose ?
Zotto,
In your Key, I arrive directly on Ombrophila spec. 1
6* Entales Excipulum wenig gallertig, basal mit umfangreichen Kristallnestern, Sporen 6 - 7 x 3 - 3,5 µm, Apothezium subsessil, Holz/Rinde von Laubbäumen .............................................. O. spec. 1
Do you have study more this species ? Named now ?
What do you think of all that ?
Roland
In your Key, I arrive directly on Ombrophila spec. 1
6* Entales Excipulum wenig gallertig, basal mit umfangreichen Kristallnestern, Sporen 6 - 7 x 3 - 3,5 µm, Apothezium subsessil, Holz/Rinde von Laubbäumen .............................................. O. spec. 1
Do you have study more this species ? Named now ?
What do you think of all that ?
Roland
Hans-Otto Baral,
12-03-2010 10:07
Re:50227 - Orbilia rose ?
Hi Roland
this is an old single collection of which I do not have a good species concept. I named it O. ?janthina, a species which is known to be confined to coniferous substrate. My drawing is not on the DVD and a bit rough.
Important is that I see warts on the spores of your material, while mine are smooth. Also you have rather big oil drops in the spores while I have a few small. So the chance is not big that the two are the same species.
I also think that your medullary (ental) excipulum is highly gelatinized, similar as in O. janthina.
Zotto
this is an old single collection of which I do not have a good species concept. I named it O. ?janthina, a species which is known to be confined to coniferous substrate. My drawing is not on the DVD and a bit rough.
Important is that I see warts on the spores of your material, while mine are smooth. Also you have rather big oil drops in the spores while I have a few small. So the chance is not big that the two are the same species.
I also think that your medullary (ental) excipulum is highly gelatinized, similar as in O. janthina.
Zotto
Roland Labbé,
12-03-2010 17:22
Re:50227 - Orbilia rose ?
It's OK.
After try agan of your key, there is no other choice but O. janthina.
Roland
After try agan of your key, there is no other choice but O. janthina.
Roland