Leucocoprinus elaeidis

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Leucocoprinus elaeidis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Leucocoprinus
Species:
L. elaeidis
Binomial name
Leucocoprinus elaeidis
(Beeli) Heinem. (1977)
Synonyms

Lepiota elaeidis Beeli (1927)

Leucocoprinus elaeidis
Information icon.svg
Gills icon.png Gills on hymenium
Campanulate cap icon.svgUmbonate cap icon.svg Cap is campanulate or umbonate
Free gills icon2.svg Hymenium is free
Ring stipe icon.svg Stipe has a ring
Transparent spore print icon.svg
 Spore print is white
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Question.pngEdibility is unknown

Leucocoprinus elaeidis (or elaidis) is a species of mushroom-producing producing fungus in the family Agaricaceae. [1] [2] In the local language, it is commonly known as elela. [3]

Contents

Taxonomy

It was first described in 1927 by the Belgian mycologist Maurice Beeli who classified it as Lepiota elaeidis (or elaidis), [3] whilst illustrations of the mushrooms were produced by Mme M. Goossens-Fontana. [4]

In 1977 it was reclassified by the Belgian mycologist Paul Heinemann who classified it as Leucocoprinus elaeidis. [5]

Description

Leucocoprinus elaeidis is a dapperling mushroom with thin white flesh and stem flesh that may stain yellow.

Cap: 7-12cm wide with thin 2mm thick flesh. The cap is a fluffy white and coated in white flakes or scales whilst the umbo or centre disc is sometimes tinged brown or yellowish. It starts bulbous and cylindrical before expanding to campanulate (bell shaped) and flattening further with age making the umbo more pronounced. There are slight striations at the cap edges. Gills: Free with a collar, crowded and white but yellowing when damaged. Stem: 7-9cm long and 8-12mm thick, expanding at the base to 15-20mm. The stem is hollow and easily detaches from the cap. White and smooth above the stem ring and scaly or flaky white below but staining yellow when touched or damaged. The movable stem ring is white and fluffy at the edges and is located towards the top of the cap (superior or apical). Spore print: White. Spores: Amygdaliform. 8.5-11 x 5.3-7.4 μm. Smell: Pleasant. Taste: Pleasant. When dry the mushroom develops an ochre colour whilst the gills discolour yellowish. [4] [3]

Habitat and distribution

L. elaeidis is scarcely recorded and little known. It grows on the ground and in grass near elaeis, coffee and eucalyptus trees and is sometimes found on rotten wood or compost. [4]

The specimens studied by Beeli were found in groups in the grass at the foot of Elaeis oil palms in the Eala region of the Zaïre (now the Democratic Republic of the Congo). [3] They were also found near lake Edward and lake Kivu to the North East of the country [4] and have been observed in Mali [6] and Senegal. [7]

Similar species

The description and illustrations [4] of L. elaeidis suggest that the species is similar to Leucocoprinus cretaceous which can present with a yellow coloured stem when the white coating is brushed off or Leucocoprinus cepistipes , which can bruise yellow when handled. The illustration and spore size more closely match L. cretaceus so this species may be synonymous with it.


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References

  1. ↑ "Species Fungorum - Leucocoprinus elaeidis (Beeli) Heinem., Bull. Jard. Bot. natn. Belg. 47(1-2): 84 (1977)". www.speciesfungorum.org. Retrieved 2022-07-19.
  2. ↑ "Mycobank Database - Leucocoprinus elaeidis".
  3. 1 2 3 4 Beeli, M. (1927). "Contribution a L'étude de la Flore Mycologique du Congo: II". Bulletin de la Société Royale de Botanique de Belgique / Bulletin van de Koninklijke Belgische Botanische Vereniging. 59 (2): 101–112. ISSN   0037-9557. JSTOR   20791494.
  4. 1 2 3 4 5 "Fungus Flora of Tropical Africa - Flore des Champignons d'Afrique Tropicale". Site de ffta-online (in French). Retrieved 2022-07-25.
  5. ↑ Heinemann, P. (1977). "Leucocoprinées nouvelles d'Afrique centrale II". Bulletin du Jardin botanique national de Belgique / Bulletin van de National Plantentuin van België. 47 (1/2): 83–86. doi:10.2307/3667983. ISSN   0303-9153. JSTOR   3667983.
  6. ↑ "Botanical Collections - Leucocoprinus elaeidis (Beeli) Heinem". www.botanicalcollections.be. BR5020003181778. Retrieved 2022-07-25.{{cite web}}: CS1 maint: others (link)
  7. ↑ "Botanical Collections - Leucocoprinus elaeidis (Beeli) Heinem". www.botanicalcollections.be. BR5020003181778. Retrieved 2022-07-25.{{cite web}}: CS1 maint: others (link)
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