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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]
The fruiting bodies mostly have a central stipe. Some are medium-sized and there are also smaller species. The caps range in colour from yellow/brown to brick red. The spore colour is dark brown to black. The cap is smooth. The developing mushroom is enveloped in a veil, but in Hypholoma this can be seen only in very young examples. This means ...
The club-shaped fruitbodies, which have a distinct blackish head and a more lightly colored stipe (dark brown), grow to heights ranging from 1.5 to 5 cm (0.6 to 2.0 in). The head is up to 0.7 cm (0.3 in) tall and ranges in shape from fuse-shaped to narrowly ellipsoidal to nearly cylindrical, and is somewhat compressed on the sides.
Although the pileate form (i.e., with a cap and stipe) is predominant, gasteroid and secotioid forms are known. In pileate species, the gills are typically thin, and free from attachment to the stipe. Caps are scurfy to smooth, and range from roughly flat to umbonate. They typically have a centrally attached stipe and a membrane-like partial ...
The stipe is yellowish, somewhat rust-brown below. The mushroom grows to 10 cm (4 in) tall. The flesh is yellow. [3] The taste is mild, compared to most Hypholomas which are bitter. [4] The gills are initially pale orangish-yellow, pale grey when mature, later darker purple/brown. The spore print is dark burgundy to brown.
The stipe is 3 to 10 cm (1 + 1 ⁄ 4 to 4 in) tall, [5] 1–2 cm wide, [4] predominantly white and bears a single thin ring. [6] The taste is mild. The white flesh bruises a dingy reddish brown, as opposed to yellow in the poisonous Agaricus xanthodermus and similar species.
Stipe: The stipe is 3–7 cm (1 + 1 ⁄ 8 – 2 + 3 ⁄ 4 in) long and 0.5–1 cm thick. [5] It has either an equal structure, or becomes thinner near the base. It is light yellow, bruising rusty brown. The stipe has an evanescent veil which often leaves fragments on the upper part of the stipe [5] or the margin of young caps.
The distant gills are sinuate (notched at their point of attachment to the stipe) to almost free, generally (but not always) yellowish white before darkening to pink and then red. Interspersed between the gills are lamellulae (short gills that do not extend completely from the cap margin to the stipe). [31]