Original form:
1, yellow powder porcini mushroom cap flat hemispherical, gradual spreading, diameter 4-10cm. slightly sticky when wet, the surface has a layer of lemon yellow powder, easy to fall off. Flesh white, light blue when injured. Mycelium tube layer near the stalk around the concave, light yellow, dark brown after injury. Tube mouth polygonal, 2 per millimeter. Stipe subcylindrical, solid, 6-10 cm long, 1-1.5 cm in diameter, with bead-netted hyphae near the upper part, easily disappearing. Spore prints greenish brown; spores smooth, ellipsoid to long ellipsoid, (8-14.5) μm × (6-6.2) μm.
2, reticulated powder boletus cap 5-16cm wide. cap surface dry, with short downy, late smooth, yellow, golden yellow. Flesh yellowish, not change color after injury. Mycotubes are curved, slightly decurrent near the stalk. Tube pores lemon yellow. No discoloration after wounding. Stalk cylindrical, length 5-10cm, diameter 1.5-2.0cm, yellow, with obvious network, not discolored after hand pressure. The stalk and cover surface are covered with yellow powdery substance, which is easy to peel off with the hand after touching. The spores are long fusiform, long ellipsoid, several times as long as the stipe, (18-25) μm × (10-14) μm.