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Ciboria / Rutstroemia (?)
Sebastien Basso,
29-03-2025 05:45
I'm conducting a mycological inventory in two greenhouses in a park in downtown Lyon, one tropical and one temperate. This ascomycetes was found in the second. The substrate is of undefined origin. In the immediate area, there were Camellia japonica and Alpinia caerulea. The spore size is similar to those of Ciboria latipes, which grows on Rubus chamaemorus, although the original description doesn't mention amyloid asci. There are probably other hypotheses, and I'll sequence it, like everything I find in these greenhouses. If you have other hypotheses, they're welcome. Thank you.
Spores size :
(9,1) 9,7 - 11,8 (13,6) × (4,2) 4,4 - 5,7 (5,8) µm
Q = (1,6) 1,9 - 2,3 (2,7) ; N = 41
Me = 10,9 × 5,2 µm ; Qe = 2,1
Q = (1,6) 1,9 - 2,3 (2,7) ; N = 41
Me = 10,9 × 5,2 µm ; Qe = 2,1
Ascis size :
(108,0) 108,6 - 115,4 (117,2) × (5,4) 6,1 - 6,85 (6,9) µm
Q = (15,8) 16,0 - 18,6 (20,9) ; N = 9
Me = 112,5 × 6,4 µm ; Qe = 17,6
Q = (15,8) 16,0 - 18,6 (20,9) ; N = 9
Me = 112,5 × 6,4 µm ; Qe = 17,6
Michel Hairaud,
29-03-2025 07:48
Re : Ciboria / Rutstroemia (?)
Bonjour Sebastien, bienvenue sur Ascofrance,
De mémoire, il me semble que Ciborinia camelliae possède certains des caractères décrits
Amitiés Michel
De mémoire, il me semble que Ciborinia camelliae possède certains des caractères décrits
Amitiés Michel
Sebastien Basso,
29-03-2025 07:58
Re : Ciboria / Rutstroemia (?)
Bonjour,
en effet, cela convient très bien !
Sous camellia , ciborinia camilliae !
bonne journée
Hans-Otto Baral,
29-03-2025 10:05
Re : Ciboria / Rutstroemia (?)
Interesting collection! I suggest to illustrate the living paraphyses. There are three sample from 2013 illustrated by Enrique Rubio in which they contain low-refractive VBs. I also see a fantly amyloid medulla with crystals. The spore contents look a bit different there.
Your ascus measurements clearly refer to dead asci. Enrique measured up to *137 x 10 µm.
Sequences (ITS+LSU) from eastern Asia exist in GenBank, so it would be interesting to compare.
Sebastien Basso,
29-03-2025 10:29
Re : Ciboria / Rutstroemia (?)
Hello !
Thanks for you answer !
Will get back in the greenhouse , they were a lot .
And do what you suggested.
Sébastien
Thanks for you answer !
Will get back in the greenhouse , they were a lot .
And do what you suggested.
Sébastien
Michel Hairaud,
29-03-2025 12:30
Re : Ciboria / Rutstroemia (?)
Sébastien, s'ils s'agit de C. camelliae, il devrait y avaoir des sclérotes à la base des stipes (enfouis dans l'humus probablement). Nous avons trouvé cette espèce en grand nombre dans un parc en Bretagne (22) avec une très grande collection de camélias , en plein air.
Je dispose d une documentation assez complète
Michel
Je dispose d une documentation assez complète
Michel
Sebastien Basso,
29-03-2025 12:33
Re : Ciboria / Rutstroemia (?)
Merci ! Oui il y avait des sclérotes et la littéralture est nombreuse sur le sujet , notamment une étude de 2023 en Italie avec la génétique .
Hans-Otto Baral,
21-04-2025 08:25
Re : Ciboria / Rutstroemia (?)
Dear Sebastien
I am about to finish an article on Scleromitrula/Ciborinia, dealing mainly with Sclerotinia capillipes. The matter about C. camelliae brought me today to realize that Japanese C. camelliae was desribed wth spores of 5.3-7 x 2.5-3.5, so much smaller than yours and Enrique's docus show. I am also curious about the original description of Sclerotinia camelliae Hara (1919) which is, according to Kohn (1979: 399) not the same as S. camelliae Hansen & Thomas which is an obligate synonym of C. camelliae Kohn.
Did you try sequencing of your sample? I am unaware of the recent Italian contribution you mentioned, but I noticed the "unpublished" paper of Saracchi & Pasquali in GenBank (e.g. MW624718). - Ah, I found it : https://www.mdpi.com/2076-2607/11/11/2727
Zotto
Viktorie Halasu,
21-04-2025 11:25
Re : Ciboria / Rutstroemia (?)
Dear Zotto,
here's Hara's article and an approximate translation (google + deepl combined, but there are still some errors left and I don't the language).
Viktorie
here's Hara's article and an approximate translation (google + deepl combined, but there are still some errors left and I don't the language).
Viktorie
On-the-sclerotinia-disease-of-camelia-Hara-1919--0001.pdf