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 Hypoxylon anthochroum
BiostatusPresent in region - Indigenous. Non endemic
Description: Stromata: Stromata pulvinate, or effused; 3-30 mm long; 3-30 mm broad; 1-2.5 mm thick; perithecia not visible, or inconspicuous; ostioles lower than or more or less equal to stromatal surface; stromatal surface grey, purplish-grey, or buff, or dull rusty-brown, cinnamon to sienna, or with distinct purple pigments (vinaceous or dark vinaceous), or dark brown (brown vinaceous); granules immediately below stromatal surface yellow brown; KOH-extractable pigments olivaceous (olive green to brownish green), or rust, deep yellow-brown to orange; tissue below perithecia inconspicuous.
Perithecia: Perithecia tubular; 0.3-0.5 mm diam.; 1-2 mm high.
Asci: Asci 97-130 µm long; 6.5-8 µm wide; stipe long with spores more or less confined to upper third of ascus, or stipe long with spores more or less confined to upper half of ascus; amyloid ring broader than high.
Ascospores: Ascospores 8.5-10 µm long; 4-5 µm wide; brown; 0-septate; in side view inequilateral, flattened on one side, not curved; in face view oblong-elliptic; ends broadly rounded. Germ slit straight, spore-length; on concave, curved side of spore. Perispore dehiscent in 10% KOH; smooth or with indistinct transverse thickenings.
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