Fruit body: ovate; 60 – 80 mm diameter; peridium thick walled, smooth to slightly warty, yellowish brown, eventually splitting to form a star like body with 5 or more rays.

Stipe: appears to be more or less sessile and without a true stipe. It is however anchored by rhizomorphs, concolourous with the peridium.

Gleba: white at first turning purplish black to sepia as the spores mature, then dark brown as they are about to be released.

Flesh: the peridium wall is thick and is very tough, on cutting and exposure to air it turns a rusty red brown.    

Spore print: dark brown.

Spores: subglobose and warty.

Notes: this fungus is recognised by its yellowish brown fruiting bodies with a thick exoperidium which stains reddish brown on cutting and by its subglobose warty spores. This species has a worldwide distribution and may have been introduced to New Caledonia.