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Jyutping cung4 kwan2
Pinyin sōng jūn

Definitions (Wiktionary)
  1. noun
    matsutake mushroom
    (syn.) 松茸, 松蕈

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Jyutping cung4 kwan2
Pinyin sōng jùn

Definitions (CC-CEDICT)
  1. matsutake (Tricholoma matsutake), edible mushroom considered a great delicacy in Japan
Definitions (Wiktionary)
  1. noun
    matsutake mushroom
    (syn.) 松茸, 松蕈