Cloud ear fungus
Overview
 

Cloud ear fungus is an edible jelly fungus. It is gray-brown in color and often used in Asian cooking
Asian cuisine
Asian cuisine styles can be broken down into several tiny regional styles that have roots in the peoples and cultures of those regions. The major types can be roughly defined as East Asian with its origins in Imperial China and now encompassing modern Japan and the Korean peninsula; Southeast Asian...

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It is known as , lit. "cloud ear"), , lit. "hairy wood ear"), or 木耳 (pinyin: mù'ěr, lit. "wood ear" or "tree ear"), and in Japanese
Japanese language
is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 it is called arage kikurage (キクラゲ, lit. "tree jellyfish"). It is also known as black fungus, black Chinese fungus (or mushroom), wood ear fungus, wood fungus, ear fungus, or tree ear fungus, an allusion to its rubbery ear-shaped growth.
 
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