Yellow umbrella, also known as yellow willow mushroom, fatty scale umbrella, willow mushroom, yellow mushroom, fat willow mushroom, willow pine mushroom, willow tree fungus, thorn fungus, yellow ring rust fungus, fat scale child , willow nails, yellow thread fungus, etc.

Classification status: Kingdom Fungi, Basidiomycota, Class Agaricodes, Subclass Agaricales, Order Agaricales, Mushrooms Family.

The fruiting body of the yellow umbrella is bright and golden in color, and the cap and stipe are covered with yellow-brown scales. The mushroom is rich in protein, carbohydrates, vitamins and various mineral elements. It is sticky and refreshing, delicious and has a unique flavor. There is a special kind of mucus on the cap of this mushroom. According to biochemical analysis, this substance is a kind of nucleic acid, which has a good effect on the recovery of human energy and brain power. Yellow umbrella is a medium-low temperature edible fungus with simple production process, high yield and good market price. It is one of the new edible fungi varieties with great development prospects. The fruiting body of the yellow umbrella grows solitary or clustered, and the diameter of the cap is 5-12 cm. The hemispherical edge is often rolled in at the beginning, and then gradually flattens out, with a layer of mucus; the cover surface is golden to yellow-brown in color, with brown approximately flat scales. The center is denser. The flesh of the bacteria is white or light yellow. The gills are straight and dense, light yellow to rusty brown, straight or nearly curved, slightly dense. The stipe is fibrous, 5-15 cm long, 1-3 cm thick, cylindrical, with white or brown recurved scales that are slightly sticky, and the lower part is often curved. The bacterial ring is light yellow, hairy, and membranous, growing on the upper part of the stipe and falling off easily. Spores are oval, smooth, rust-colored, 7.5-10 microns × 5-6.5 microns. The hyphae are white in the early stage, gradually become dense, and secrete yellow-brown pigment when physiologically mature.