Observation 165290: Toninia sedifolia (Scop.) Timdal

When: 2014-03-29

Collection location: Lourinhã, Portugal [Click for map]

Who: zaca

No specimen available

A group of Toninia spp. grew separated by some meters, on a cliff over the sea. It seemed to me that there were two or three different species. I collected three samples that I started to analyse now. I created 3 observations (including this one) and consider at each one of the samples collected. For a better comparision I include a picture with all the specimens and labelled each one with the cardinal number of the observation.

The specimen considered here is very different from the one in observation 165291, that one being similar to all my past obervations of this genus and which, therefore, I suppose to be T. aromatica. The main difference between the two is the form of apothecia, flat and smooth in the specimen of this observation and convex and rough in the other.
On the other hand, the specimen in observation 165292 has bigger and much more pruinose areolas than the other two, while the apothecia being smooth is depressed at the center and have flexuose and pruinose margins. Thus I expect that one to be of another species.

Here are the features of the spores for the specimen considered here: fusiform, 1-septate, with the following average dimensions;
Me = 20.5 × 3.4 um ; Qe = 6.1 (N=24).


Comparative photographs of specimens.
Microscopy: Apothecial sections;
Microscopy: Asci immersed in paraphyses;
Microscopy: Asci immersed in paraphyses;
Asci and spores.

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Created: 2014-05-15 14:52:55 PDT (-0700)
Last modified: 2014-05-15 15:30:44 PDT (-0700)
Viewed: 42 times, last viewed: 2018-11-15 05:59:12 PST (-0800)
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