young. pore surface: bright yellow at first, becoming dull olive yellow; bruising blue and then, over time, orangish to brown; with - angular pores per mm; tubes - mm deep. stem: - cm long; up to cm thick; more or less equal; bald; yellow at the apex; colored like the cap overall, but slightly paler; not...
. separating boletus harrisonii from these two species can be accomplished fairly handily by examining the flesh in the stem base (in young, fresh specimens), since boletus campestris and xerocomellus rubellus feature tiny red to orange dots in the stem base, while boletus harrisonii does not--but microscopic...
edges becoming dark purple and contrasting with the faces. stem : – cm long; – mm thick; equal; fragile; hollowing; bald; yellow when young and fresh, but soon becoming brownish to grayish olive; basal mycelium whitish to yellowish. flesh: thin; yellowish to brownish or purplish; unchanging when sliced...
reddish orange. undersurface: with well spaced, well developed false gills that run down the stem; often developing cross-veins; colored like the cap or slightly paler. stem: - cm long; - cm wide; equal when young but by maturity usually tapering to the base; bald; dry; colored like the cap or paler; not...