China Naming Network - Eight-character lottery - How to say the fruit mandarin called bisi in Quzhou dialect?

How to say the fruit mandarin called bisi in Quzhou dialect?

water chestnut. Pinyin: bí? Qi (reading softly) scientific name: Eleocharis? Tuberosa English name: chufa Genus: Angiosperma, Monocotyledon, Cyperaceae, Eleocharis.