Search on : Taxa descriptions

 


   
Literature:
 
Page number:105 
Remarks (internal):The above-listed specimens from Taiwan are quite similar to D. miranda. Two main differences are noted here. First, basidiospores of the Taiwan specimens are somewhat shorter than those of the holotype of D. miranda. Second, all the Taiwan specimens have SA-gloeocystidia, even when freshly collected; while the reaction in D. miranda is SA +. Other minor differences are in the pseudosetae and gloeocystidia, both of which are somewhat wider in D. miranda. In addition, the pseudosetae of D. miranda are deeper in color and more heavily encrusted.
The altitudinal range of these Taiwan specimens is surprising, from lowland to higher than 2000 m. No characteristic difference was detected between specimens from different altitudes. The growth rates of dikaryotic mycelia of three specimens (Wu 880726-43, Wu 911107-10 and Wu 9207-31) were observed. All were very slow, compared to other species of Duportella. Unfortunately, no haploid mycelia were obtained from these Taiwan D. cf. miranda specimens, so intercompatibility could not be tested.
 
Description type:Non-original description 
Description:Duportella cf. miranda Boidin, Lanquetin & Gilles, Bull. Soc. Mycol. France 107:100. 1991 Figures 1 D & 3
Fruit body effused, adnate, membranaceous, 70-350 µm thick in section. Hymenial surface clay-colored, smooth and not cracked when young, ± tuberculate and deeply cracked when old; margin thinning or rather determinate, concolorous.
Hyphal system dimitic; generative hyphae nodose-septate. Subiculum fairly uniform, composed of medullary layer, with compact texture; generative hyphae variously oriented, hyaline, 2.0-3.5 µm diam, thin-walled. Subhymenium thickening, somewhat differentiated. Pseudosetae very numerous, more densely arranged in elevated parts of fruit body, originating in the subiculum or perhaps in the subhymenium, mostly immersed, brownish, apically encrusted, 25-25 µm long, 5-10 µm diam, with secondary septa, sometimes basally branched. Gloeocystidia numerous, immersed or occasionally emergent, originating in the subiculum or perhaps also in the subhymenium, hyaline or subhyaline, clavate, cylindrical or fusiform, 25-70 x 9-16 µm, with slightly thick (to ca. 1 µm thick) walls, SA -. Basidia clavate or narrowly clavate, 25-35 x 5.2-7.0 µm, 4-sterigmate. Basidiospores subglobose, smooth, thin- or slightly thick-walled, with one to several distinct oil-drops, (4.6-) 4.8-5.5 (-5.8) x 4.0-4.8 µm, IKI-, CB-.
Distribution: Reunion Island (Boidin et al. 1991) and Taiwan.
 
Taxon name: