Oyster mushroom (Pleurotus ostreatus)

Japanese: ヒラタケ(平茸) - ヒラタケ（英語表記）Pleurotus ostreatus

Basidiomycetes, order Matsutake, family Shimejiaceae. Also known as Awabitake (Awatake). They grow in large numbers from spring to autumn on the dead wood and stumps of various broad-leaved trees, and occasionally on the dead wood and stumps of coniferous trees. The cap is 5-15 cm in diameter, shell-shaped or fan-shaped, with a 1-4 cm long, 1-2 cm thick stalk leaning to one side. The surface of the cap is white or gray-brown. The spore print is white or pale purple. It is a delicious edible mushroom distributed throughout Japan. A closely related species is P. cornucopiae , which grows on elm trees. Hohenbuehelia serotina also grows on elm trees, but the cap skin is easy to peel.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

担子菌類マツタケ目シメジタケ科。別名アワビタケ (鮑茸) 。春から秋に種々の広葉樹，まれに針葉樹の枯れ木や切り株に多数重なって生じる。傘は径5～15cm，貝殻状ないし扇状で，一側に片寄って長さ1～4cm，太さ1～2cmの柄がついている。傘の表面は白色ないし灰褐色。胞子紋は白色または淡紫色。日本全土に分布し，美味の食用キノコの一つ。本種に近縁なものとしてはタモギタケ P. cornucopiaeがあるが，これはニレなどに生じる。なおムキタケ Hohenbuehelia serotinaもニレなどに生じるが，これは傘の表皮がむきやすい。

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