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Cyclocybe aegerita
Species of fungus From Wikipedia, the free encyclopedia
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Cyclocybe aegerita, also called Agrocybe cylindracea, Agrocybe aegerita or Pholiota aegerita,[1] is a species of fungus in the genus Cyclocybe. It is commonly known as the poplar fieldcap, poplar mushroom,[1] or velvet pioppini (simplified Chinese: 茶树菇; traditional Chinese: 茶樹菇; pinyin: chá shù gū; lit. 'Tea Tree Mushroom').[2] In Japan, it is called Yanagi-matsutake (柳松茸).[3]
It is a white rot fungus with a cap up to 10 centimetres (4 inches) wide. Although it resembles some poisonous species, it is edible and cultivated in some countries.
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Description
The mushroom is a medium-sized agaric having a very open and convex cap, almost flat, with a diameter of 3–10 centimetres (1–4 inches).[4] Underneath, it has numerous whitish radial plates adherent to the foot, later turning to a brownish-grey colour, and light elliptic spores of 8–11 by 5–7 μm. The white fibre foot is generally curved, having a membranous ring on the top part which promptly turns to tobacco colour due to the falling spores.[1] When very young, its colour may be reddish-brown and later turn to a light brown colour, more ochre towards the centre, whiter around its border.
It is difficult to identify and some species in the genus are poisonous.[4]
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Habitat
It is a white rot fungus growing in tufts on logs and holes in poplars, as well as other large-leaved trees.[1]
Uses
The mushroom is edible[5] but resembles some deadly species.[4] It is a typical ingredient found in both Southern European and Chinese cuisine. In East Asia, it is used fresh and rehydrated in various dishes, including stir fry, soup, stew, and hot pot.[2]
It is cultivated in Korea, Japan, China, and Australia.[4] In traditional Chinese medicine, it is often used as a diuretic.[6]
Along with Mycetinis alliaceus and Chondrostereum purpureum, it is suitable for counteracting olive-mill wastewater plant toxicity.[7]
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