Stereom purpureum (Chondrostereum purpureum)
- Division: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Classis: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Ordo: Agaricales (Agaric vel Lamellar)
- Genus: Cyphellaceae (Cyphellaceae)
- Genus: Chondrostereum (Chondrostereum)
- Type: Chondrostereum purpureum (Stereum purpureum)
Description:
Fructus corpore parvus, 2—3 cm longus et 1 cm latis, primo prostratus, resupinatus, in modum maculae parvae, dein flabelliformis, obliqua adnata, tenuis, ore undulato leviter depresso, sensim piloso. supra dilute griseo-griseo, brunneo vel pallide griseo-brunneo, cingulis languidis concentricis obscurioribus, ore lilac albo-crescens. Post pruinam, hieme et vere, colore pallido cinereo-brunneo defluit et fere ab aliis stereums non differt.
Hymenophorus teres, interdum irregulariter rugosus, lilaco-brunneus, castaneo-purpureus, vel brunneo-purpureus, ore laete albido-purpureo.
Pulpa tenuis, nigra, odora aromatica, bicolor: supra griseo-fuscus, griseus, infra - lucidus, eburneus.
Propagatio:
Stereoum purpureum a media aestate (plerumque a Septembri) usque ad Decembrem in ligno mortuo, truncis, lignis construendis, ad basin truncorum arborum viventium deciduas (betula, aspen, ulmi, fraxinus, acernus, cerasus) crebrae catervae tegulatae, saepe. Causat albam putredinem et nitorem lacteum morbum in arboribus fructiferis lapideis (in media aestate in foliis argenteis vestitis apparet, rami post 2 annos exsiccant).
iudicium;
Fungus inedibilis.