oyster mushroom
Refers specifically to Pleurotus ostreatus, a common edible mushroom.
Oyster mushrooms are delicious when stir-fried.
In the mountains around here, you can pick oyster mushrooms in autumn.
Hiragana spelling is also used, especially in informal contexts.
Kanji spelling; less common than kana forms.
Mixed kanji-kana spelling; rarely used.
The name ヒラタケ (平茸) literally means 'flat mushroom', from its broad, flat cap shape. The exact historical derivation is uncertain.