| Otidea onotica | |
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| Species: | O. onotica
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| Binomial name | |
| Otidea onotica | |
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Peziza onotica Pers. 1801 | |
Otidea onotica, commonly known as hare's ear or donkey ear, is a species of apothecial fungus belonging to the family Pyronemataceae.
The fruiting body appears from spring to early autumn as a deep cup split down one side and elongated at the other, up to 10 centimetres (4 inches) tall.[1] It is yellow to orangish or slightly pinkish. White hairs cover the outside, while the inside is smooth or rippled.[1][2]
Similar species include Guepinia helvelloides, others of the genus Otidea, as well as some of Pezizaceae family.[2]
Otidea onotica occurs in Europe and North America, singly or in small groups[2] on the soil of deciduous woodland, most often with beech trees.