Porphyrellus formosus, the dark velvet bolete, is a species of bolete fungus in the family Boletaceae, first described as Tylopilus formosus by Greta Stevenson in 1962, and moved to Porphyrellus genus in 2014 by J.

Cooper.

[1] It is endemic to New Zealand, forming mycorrhiza with southern beeches and mānuka.

It's distinguishing feature is all-black and velvety surface of cap and stalk.

It initially has white pores that turn golden when aged.