Arrhenia spathulata

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Arrhenia spathulata
2008-11-28 Arrhenia spathulata (Fr.) Redhead 232799.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hygrophoraceae
Genus: Arrhenia
Species:
A. spathulata
Binomial name
Arrhenia spathulata
(Fr.) Redhead (1984)
Synonyms
  • Cantharellus spathulatusFr. (1828)
  • Arrhenia muscigena(Bull.) Kühner & Lamoure (1972)
  • Arrhenia muscigenum(Bull.) Honrubia & Folgado (1972)
  • Arrhenia retiruga var. spathulata(Fr.) Gminder (2001)
Arrhenia spathulata
Information icon.svg
Ridges icon.pngRidges on hymenium
Infundibuliform cap icon.svg Cap is infundibuliform
Decurrent gills icon2.svg Hymenium is decurrent
Bare stipe icon.svgNA cap icon.svg Stipe is bare or lacks a stipe
Transparent spore print icon.svg
Spore print is white
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Inedible.pngEdibility is inedible

Arrhenia spathulata is a mushroom-forming fungus in the family Hygrophoraceae. Found in Europe, it is widespread along the Atlantic coast. [1]

Contents

Description

Its cap is 5-20 mm and hygrophanous, becoming dark grey and translucently striped when wet, and paling to a grey-brown when dry. It is spatula or funnel shaped and its texture is smooth. [2] The hymenophore has branched grey veins, that with age anastomose. They are adnexed to the stipe. The stipe is 2-3 x .5-1.5 mm. The flesh smells like geranium leaves. [3]

The spore print is white. The spores measure 7-10 by 4-6.5 μm. and teardrop shaped. The basidia have 4 spores each and measure 28-34 x 7-10 μm. They have straight to curved sterigmata. Cheilocystidia are absent. Clamp connections are absent in all tissues. [1]

Ecology

Arrhenia spathulata grows on Tortula ruralis var. ruraliformis. It is common on coastal dunes in the Netherlands. It grows from October to January. [1]

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References

  1. 1 2 3 Bas C, Kuyper TW, Noordeloos ME (1995). Flora Agaricina Neerlandica – 3. CRC Press. p. 40. ISBN   978-90-5410-616-6.
  2. "MycoDB : Fiche de Arrhenia spathulata". www.mycodb.fr. Retrieved 2024-02-21.
  3. Laux, Hans E. (July 18, 2022). Der große Kosmos Pilzführer (in German). Franckh-Kosmos Verlags-GmbH & Company KG (published 2022-07-18). p. 164. ISBN   9783440505885.