Amanita longipes

Amanita longipes is a small inedible mushroom species of the Amanita genus. It feeds on decaying leaves of some woods and can be found around the Appalachian Mountains. It is a food source for various insects.

Amanita longipes
Several Amanita longipes fungi found growing at Ocala National Forest, Marion Co., Florida, United States.
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Amanitaceae
Genus: Amanita
Species:
A. longipes
Binomial name
Amanita longipes
Bas ex Tulloss & Dav.T. Jenkins
Amanita longipes
float
Mycological characteristics
gills on hymenium
cap is umbonate
hymenium is free
spore print is white
ecology is mycorrhizal
edibility: inedible

Description

Cap

The cap is typically around 24 – 102 mm (2.4 – 10.2 cm) wide, is hemispheric at first then becoming broadly convex to plano-convex, occasionally also slightly depressed in center; white, pallid grayish-brown or grayish buff over disk in age, surface dull and tacky at first and becoming shiny.

Gills

The gills are usually narrowly adnate, sometimes with a decurrent line, close, whitish, becoming grayish-cream on drying, with white, floccose remnants of partial veil on edges, narrow, 4.5 – 11 mm (0.45 – 1.1 cm) broad, sometimes anastomosing; the short gills are truncate to rounded truncate to attenuate to attenuate in steps, plentiful, of diverse lengths, unevenly distributed.

Stem

The stem is 25 – 142 (2.5 – 14.2 cm) × 5 – 20 mm (0.5 – 2 cm), white, and tapers upward slightly to a flaring apex. The stem is decorated with easily removed, floccose material especially in upper portion; the flesh of the stem usually does not take on a color when bruised. The flesh is white, occasionally graying in damaged areas, with a firmly stuffed central cylinder, up to 7 mm wide. The ring is fibrous-floccose and rapidly evanescent. Volval remnants are absent from the bulb and the stem base or difficult to distinguish.[1]

Toxicity

One guide lists this species' edibility as unknown but doubtful.[2] It should be avoided as many species of the genus are deadly.

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References

As of this edit, this article uses content from "Amanita longipes", which is licensed in a way that permits reuse under the Creative Commons Attribution-ShareAlike 3.0 Unported License, but not under the GFDL. All relevant terms must be followed.

  1. http://www.amanitaceae.org/?Amanita%20longipes Retrieved October 17, 2016
  2. Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. pp. 24–25. ISBN 978-1-55407-651-2.
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