Accès membres

Mot de passe perdu? S'inscrire

19-07-2019 12:34

Filip Filip Fuljer Filip Filip Fuljer

Hi everyone,i found 2 days ago some species on old

19-07-2019 11:15

Katarina Pastircakova

Hello, anybody has this article?Morelet M. 1992. O

18-07-2019 23:09

jean claude chasle

Bonsoir,Ceci est ma première demande sur le forum

20-05-2019 07:38

Ron Bronckers

Hi everybody,Can anybody provide me with a copy of

17-07-2019 18:10

Jac Gelderblom

Hello On culms of Typha I found a small mollisia

17-07-2019 21:35

Joop van der Lee

I am looking for the following documentation.Richa

10-07-2019 17:53

Andgelo Mombert

Bonjour, Fructifications érumpantes atteignant 4

17-07-2019 15:12

Thomas Læssøe

Has anyone Remler or the part that contains Belono

14-07-2019 10:38

Markus Wilhelm

Bonjour, je visite récente le forêt tropicale d

14-07-2019 19:14

Rubén Martínez-Gil Rubén Martínez-Gil

Boudier in 1917 describes Lamprospora lutziana and

« < 1 2 3 4 5 > »
Unguiculariopsis-like, but...
Michel Hairaud, 12-04-2019 14:11
Michel Hairaud

Bonjour,


Voici une Helotiale manifestement liée au pyrenomycète Camarosporidiella laburni (det. A. Gardiennet) et qui évoque donc un Unguiculariopsis.


Mais ! Les caractères micro ne sont guère compatibles avec le genre, voire peut être même avec la famille des Cordieritidaceae ??


ApOthecia up to 2,5 mm . gregarious, Ascus H- and IKI - 75-95 µm. PS 30 µm Spores cylindrical to slightly allantoid, OCI 1-1,5 . 11-13 x 2,8-31 µm. PAraphyses rather lanceolate, septate, covered with amorphic hyaline matter , with no VB visible in water but some patches are stained in CRB.


Medulla T. intricata of almost parallel hyphes x 2-3 µm . Ectal of globose cells x6-12 µm covered with amorphic red-brown matter.  Margin hairs up to 150 µm x 3-7 , walls red-brown and granulous as in LAchnum (!) , which can be seen after KOH or in Congo Red. KOH dissolves the brown pigment . No ionomidotic reaction, no cristals.


Toute aide sera bienvenue. Amitiés. Michel

  • message #57248
  • message #57248
  • message #57248
  • message #57248
  • message #57248
  • message #57248
Hans-Otto Baral, 15-04-2019 08:22
Hans-Otto Baral
Re : Unguiculariopsis-like, but...
Hi Michel
not easy case! But you say the brown pigment dissolves in KOH. If so, it should extrude in the medium, does it? But you say "not ionomidotic"?

could you show some hairs in closeup to better see the warts?

Various characters tell agains Unguiculariopsis, including absence of croziers, warted sublanceolate paraphyses, dissolvable pigment, and hair features. But the family I think is correct.
Zotto
Michel Hairaud, 17-04-2019 09:28
Michel Hairaud
Re : Unguiculariopsis-like, but...
Thanks, Zotto.

As the hairs are strongly agglutinate , I tried KOH to gain visibility but may be the pigments are not actually dissolved. I do not notice that they extrude .


here is a comparison between KOH 5% and tap water. I also tried closeups . These warts seem not firmly fixed to hair walls.


Michel

  • message #57337
  • message #57337
Hans-Otto Baral, 17-04-2019 09:40
Hans-Otto Baral
Re : Unguiculariopsis-like, but...
O.k., so non-ionomidotic. I see a little similarity with what I call "aff. Hyphodiscus" (viridula, "sericea") but which genetically belongs in Cordieritidaceae. From this your fungus differs in wider, almost sublanceolate, rough paraphyses. I think a relationship with this family is quite probable. A genetic result would be interesting.
Michel Hairaud, 20-04-2019 12:36
Michel Hairaud
Re : Unguiculariopsis-like, but...

I wonder why my answer does not appear...


Yes Zotto, the comparison shows similarity.


A sequence is sheduled. Hope we can get a clear result.


THanks again . Michel