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In mycology, a stipe (/ s t aɪ p /) is the stem or stalk-like feature supporting the cap of a mushroom. Like all tissues of the mushroom other than the hymenium, the stipe is composed of sterile hyphal tissue. In many instances, however, the fertile hymenium extends down the stipe some distance. Fungi that have stipes are said to be stipitate. [1]
In orchids, the stipe or caudicle is the stalk-like support of the pollinia. It is a non-viscid band or strap connecting the pollinia with the viscidium (the viscid part of the rostellum or beak). A stipe is also a structure found in organisms that are studied by botanists but that are no longer classified as plants.
The fruit bodies of Favolus fungi are annual, and have a stipe that is situated laterally to substipitate or almost sessile. The shape of the cap is spatulate (with a broad, rounded end), reniform (kidney shaped) to dimidiate (divided into two equal parts). The texture of the cap surface can be smooth, or may have minute hairs, sometimes with ...
Like all leaves, fronds usually have a stalk connecting them to the main stem. In botany, this leaf stalk is generally called a petiole, but in regard to fronds specifically it is called a stipe, and it supports a flattened blade (which may be called a lamina), and the continuation of the stipe into this portion is called the rachis.
In fungi, a basidiocarp, basidiome, or basidioma (pl. basidiomata) is the sporocarp of a basidiomycete, the multicellular structure on which the spore-producing hymenium is borne. Basidiocarps are characteristic of the hymenomycetes ; rusts and smuts do not produce such structures.
Presence of large spherical cells, 'sphaerocysts', in the stipe is an important characteristic feature to distinguish the members of Russulaceae from other mushrooms. In Russula, the stipe breaks like the flesh of an apple, while in most other families it only breaks into fibres. [13] The spore powder varies from white to cream, or even orange.
Ascomycetes, sac fungi. A phylum of fungi characterized by the presence of an ascus, a sac-like structure where ascospores are produced. The largest group of fungi. Includes cup fungi or Discomycetes; most dermatophyte s; the mycobiont part of most lichens; powdery mildews; and fungi that produce truffle s. [37] ascospore
An annulus is the ring-like or collar-like structure sometimes found on the stipe of some species of mushrooms. The annulus represents the remnants of the partial veil, after it has ruptured to expose the gills or other spore-producing surface. It can also be called a ring which is what the Latin word annulus directly translates as. [1]