Biscogniauxia capnodes var. rumpensSynonymsHypoxylon australis Hypoxylon nummularium var. australe Diatrype rumpens Nummularia australis
BiostatusPresent in region - Indigenous. Non endemic Description: Stromata: Stromata applanate (erumpent from host tissue); perithecia not visible; ostioles finely to caorsely papillate; stroma bipartite, outer dehiscing layer dark brown, thin (initially thick and greyish); stromatal surface dark brown (brown vinaceous), or blackish; tissue immediately below surface carbonaceous; KOH-extractable pigments lacking; tissue below perithecia inconspicuous. Perithecia: Perithecia tubular; surrounded by papyraceous wall layer, shrinking away from wall of stromatal locule; 0.4-0.6 mm diam.; 0 mm high. Asci: Stipe short with spores filling about two-thirds of ascus; amyloid ring broader than high. Ascospores: Ascospores 16.5-25 µm long; 8-10 µm wide; brown; 0-septate; in side view more or less equilateral, or inequilateral, flattened on one side, not curved; in face view elliptic; ends broadly rounded, or narrowly rounded. Germ slit straight, spore-length; on flattened side of spore. Perispore indehiscent in 10% KOH.
|