The king oyster mushroom, scientifically known as Pleurotus eryngii, is a large and meaty edible mushroom prized for its rich umami flavor and firm texture. It features a thick stem and a small cap, and its appearance is quite distinct from other mushrooms. King oyster mushrooms are popular in Asian and European cuisines and are often used in stir-fries, sautés, and grilling due to their ability to hold up well to high heat. They have a mild, nutty taste and are known for their versatility in various culinary applications.