noun
raigan (Omphalia lapidescens); parasitic bamboo fungus used in Chinese medicine
A parasitic fungus that grows on bamboo, used in traditional Chinese medicine. The term is domain-specific and primarily encountered in medical or herbal contexts.
ライガンは漢方薬の材料として使われることがある。
Raigan is sometimes used as an ingredient in Chinese herbal medicine.
このキノコは竹に寄生するライガンという菌類です。
This mushroom is a fungus called raigan that parasitizes bamboo.
The Japanese name らいがん (raigan) is derived from Chinese 雷丸 (léiwán), literally 'thunder pill', referring to the fungus's traditional use and appearance. The exact historical derivation is uncertain.