Boletus umbrinipileus
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Boletales
Family:	Boletaceae
Genus:	Boletus
Species:	B. umbrinipileus
Binomial name
Boletus umbrinipileus B. Feng, Y.Y. Cui, J.P. Xu & Zhu L. Yan, 2015[1]

Boletus umbrinipileus Mycological characteristics
	Pores on hymenium
	Cap is convex
	Hymenium is adnate
	Stipe is bare
	Ecology is mycorrhizal
	Edibility is edible

Boletus umbrinipileus is an edible basidiomycete mushroom, of the genus Boletus in the family Boletaceae. Morphologically similar to Boletus phaeocephalus and belonging to the porcini group (Boletus sect. Boletus), it was first described in 2015, and is known to be found only in China, Yunnan Province.^[2]

Morphology

Cap

The cap is 4.5 to 7 cm in diameter, initially plano-convex in shape, before becoming applanate as it ages; The surface is dry with small hair, brownish gray to olivaceous brown, sometimes with paler, grayish to grayish white margin. The flesh is white and does not turn blue when bruised.

Pores

The pores are stuffed with white when young, becoming pallid yellow with slightly olivaceous tinge, unchanged when bruised.

Stipe

From 8.5 to 10 cm long; 0.8-1.5 cm thick; subcylindrical shape; upper two-thirds colored brownish to grayish brown and covered with whitish reticulations which become more enlongated downwards; lower one-third colored dirty white to white and not reticulated.

Spores

Subfusiform, 10-13 x 3.5–4 µm.^[2]

Habitat and distribution

Solitary or gregarious in the subtropical Fagaceae forests in Southwest China.^[2]