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Pileus (mycology)

The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.[1] The hymenium (hymenophore) may consist of lamellae, tubes, or teeth, on the underside of the pileus. A pileus is characteristic of agarics, boletes, some polypores, tooth fungi, and some ascomycetes.

Photo of a pileus or mushroom cap

Classification edit

Pilei can be formed in various shapes, and the shapes can change over the course of the developmental cycle of a fungus. The most familiar pileus shape is hemispherical or convex. Convex pilei often continue to expand as they mature until they become flat. Many well-known species have a convex pileus, including the button mushroom, various Amanita species and boletes.

Some, such as the parasol mushroom, have distinct bosses or umbos and are described as umbonate. An umbo is a knobby protrusion at the center of the cap. Some fungi, such as chanterelles have a funnel- or trumpet-shaped appearance. In these cases the pileus is termed infundibuliform.

See also edit

Notes edit

  1. ^ Moore-Landecker, E: "Fundamentals of the Fungi", page 560. Prentice Hall, 1972.

References edit

  • Arora, D: "Mushrooms Demystified", Ten Speed Press, 1986.

pileus, mycology, pileus, technical, name, like, part, basidiocarp, ascocarp, fungal, fruiting, body, that, supports, spore, bearing, surface, hymenium, hymenium, hymenophore, consist, lamellae, tubes, teeth, underside, pileus, pileus, characteristic, agarics,. The pileus is the technical name for the cap or cap like part of a basidiocarp or ascocarp fungal fruiting body that supports a spore bearing surface the hymenium 1 The hymenium hymenophore may consist of lamellae tubes or teeth on the underside of the pileus A pileus is characteristic of agarics boletes some polypores tooth fungi and some ascomycetes Photo of a pileus or mushroom cap Contents 1 Classification 2 See also 3 Notes 4 ReferencesClassification editPilei can be formed in various shapes and the shapes can change over the course of the developmental cycle of a fungus The most familiar pileus shape is hemispherical or convex Convex pilei often continue to expand as they mature until they become flat Many well known species have a convex pileus including the button mushroom various Amanita species and boletes Some such as the parasol mushroom have distinct bosses or umbos and are described as umbonate An umbo is a knobby protrusion at the center of the cap Some fungi such as chanterelles have a funnel or trumpet shaped appearance In these cases the pileus is termed infundibuliform nbsp Campanulate bell shaped nbsp Conical nbsp Convex nbsp Depressed nbsp Flat nbsp Infundibuliform nbsp Offset nbsp Ovate nbsp Umbilicate nbsp UmbonateSee also edit nbsp Fungi portal Lamella StipeNotes edit Moore Landecker E Fundamentals of the Fungi page 560 Prentice Hall 1972 References editArora D Mushrooms Demystified Ten Speed Press 1986 Retrieved from https en wikipedia org w index php title Pileus mycology amp oldid 1115459631, wikipedia, wiki, book, books, library,

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