It is not as soft and juicy as ordinary mushrooms, but its texture is hard. Truffles like alkaline soil, and high-quality truffles are mainly produced in calcareous terrain, such as Alba, Perigaud, and Yongren County of China, all of which are located in calcareous terrain.
morphological character
The fruiting body of truffle is like a block, small like a walnut and big like a fist. When I was young, the interior was white and the texture was uniform. When it matures, it will turn dark black with a light marble texture.
Ascomycetes are spherical, oval, brown or brown, some as small as beans, some as big as Fuji apples, with polygonal warts on the surface, reflecting red luster and concave at the top; Its flesh (sporogenous tissue) is white at first, then turns brown or gray, and turns black when it matures; The cut surface is brown, similar to marble, giving off a moist smell like a forest, with the aroma of dried fruits, so as to lure small animals to look for things and take spores to other places to breed.