Leucoagaricus croceovelutinus

Last updated

Leucoagaricus croceovelutinus
Leucoagaricus croceovelutinus (Bon & Boiffard) Bon.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Leucoagaricus
Species:
L. croceovelutinus
Binomial name
Leucoagaricus croceovelutinus
(Bon & Boiffard) Bon (1976)
Synonyms
  • Leucocoprinus croceovelutinus Bon & Boiffard (1972)
  • Leucocoprinus croceovelutinus var. diversisporus D.A.Reid (1990)
Leucoagaricus croceovelutinus
Information icon.svg
Gills icon.png Gills on hymenium
Convex cap icon.svgFlat cap icon.svg Cap is convex or flat
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

Leucoagaricus croceovelutinus is a species of mushroom-producing fungus in the family Agaricaceae. [1] [2]

Contents

Taxonomy

It was described in 1972 by the French mycologists Marcel Bon and Jacques Boiffard who classified it as Leucocoprinus croceovelutinus. [1]

It was reclassified by Marcel Bon in 1976 as Leucoagaricus croceovelutinus. [1]

The variation Leucocoprinus croceovelutinus var. diversisporus was described in 1990 by the British mycologist Derek Reid [3] but is now considered a synonym. [1]

Description

Leucoagaricus croceovelutinus is a small dapperling mushroom with thin white or pale yellow flesh that discolours red within a minute of being exposed. This reaction is hastened by exposure to ammonia fumes but does not result in a green colour like some similar species.

Cap: 3–6 cm wide, starting convex before flattening with a very slight umbo. The surface is covered with adpressed red-brown scattered scales against a white background with a darker red-brown centre disc. Upon contact or age the surface discolours red obscuring the white background colour and making for a burgundy tone against the brown. Orange to purple tones may also come through with bruising or age. Gills: Free, crowded, ventricose and white or pale yellow but orange red on bruising. The gill edges become brown with age or upon handling and this is most noticeable towards the cap margins. When dry they become dark grey. Stem: 7-10cm tall and 4-5mm thick tapering upwards from the swollen, club shaped base. The surface is pure white and silky at first sometimes with a rosy colour at the base but it soon becomes rose coloured across the length except at the apex, then reddish-brown and brown at the base, which finally becomes blackish-purple. When dry this darker colour spreads over the entire stem. The interior flesh is white but discolours orange-red when exposed. The pendant, membranous stem ring is generally persistent and is located towards the middle or top of the stem (median to superior), it is white with a wine-red margin but discolours dull red with age. Spore print: White. Spores: (7) 7.5–8.5 (9) x 3.5–4.5 μm. Amygdaliform to ovoid without a germ pore. Dextrinoid. [3] [4]

Habitat and distribution

The specimens studied by Bon and Boiffard were found on humus under deciduous trees near the Le Veillon beach near Talmont Saint Hilaire, France. [3] Reid suggests that it may be associated with Robinia , Quercus and Ligustrum trees based on the limited recorded collections available at the time which were in France, Netherlands and Hungary. [3] The species has also been recorded in Bulgaria. [5]

Related Research Articles

<i>Leucocoprinus cepistipes</i> Species of fungus

Leucocoprinus cepistipes, is a species of fungus in the family Agaricaceae. It is typically found on wood debris, such as wood chips but may also grow in potted plants or greenhouses. Typical characteristics include a fine-scaled bell-shaped cap, a partial veil, and a tendency to bruise a yellow to brown when handled.

<i>Leucocoprinus cretaceus</i> Species of fungus

Leucocoprinus cretaceus is a species of mushroom producing fungus in the family Agaricaceae. It is likely tropical in origin although it was first documented in Europe where it was often found growing in greenhouses and bark beds. However many early observations conflate this species with Leucocoprinus birnbaumii or Leucocoprinus cepistipes despite sharing only some superficial similarities. This fungus is quite versatile even for a saprotroph and is often found growing in clusters on woodchips, sawdust and compost heaps as well as directly from the ground or on trees. It may also appear in plant pots and greenhouses in colder countries in which it is not well equipped to survive outside.

<i>Leucoagaricus badhamii</i> Species of fungus

Leucoagaricus badhamii is a species of fungus in the family Agaricaceae and genus Leucoagaricus. The flesh of this mushroom turns blood red when cut or bruised, hence its common name of blushing dapperling. These damaged areas may eventually turn brown or black and likewise the mushroom may discolour brown or black with age. All parts of the flesh display red staining aiding in identification.

<i>Leucocoprinus ianthinus</i> Species of fungus

Leucocoprinus ianthinus is a species of mushroom producing fungus in the family Agaricaceae. Like several other Leucocoprinus species it may have originated in a tropical climate but now finds a home in plant pots, greenhouses and compost piles in many countries. It is not seen in plant pots with the same kind of regularity as the well known Leucocoprinus birnbaumii and not seen in the wild as frequently as Leucocoprinus brebissonii.

<i>Leucoagaricus meleagris</i> Species of fungus

Leucoagaricus meleagris is a species of fungus in the family Agaricaceae.

Leucocoprinus brunnescens is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus biornatus is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus acutoumbonatus is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus holospilotus is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus delicatulus is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus munnarensis is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus pusillus is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus muticolor is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus venezuelanus is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus viridiflavus is a species of mushroom producing fungus in the family Agaricaceae. It may also be known as Leucoagaricus viridiflavus.

Leucocoprinus viridiflavoides is a species of mushroom producing fungus in the family Agaricaceae. It may still be known as Leucoagaricus viridiflavoides.

<i>Leucoagaricus lacrymans</i> Species of fungus

Leucoagaricus lacrymans is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus antillarum is a species of mushroom producing fungus in the family Agaricaceae.

Leucocoprinus tephrolepis is a species of mushroom producing fungus in the family Agaricaceae.

Leucoagaricus griseosquamosus is a species of mushroom-producing fungus in the family Agaricaceae.

References

  1. 1 2 3 4 "Species fungorum – Leucoagaricus croceovelutinus (Bon & Boiffard) Bon". www.speciesfungorum.org. Retrieved 19 July 2022.
  2. ↑ "Mycobank Database – Leucoagaricus croceovelutinus".
  3. 1 2 3 4 Reid, Derek A. (1990). "The Leucocoprinus badhamii complex in Europe: species which redden on bruising or become green in ammonia fumes". Mycological Research. 94 (5): 641–670. doi:10.1016/s0953-7562(09)80666-7. ISSN   0953-7562.
  4. ↑ Sterry, Paul (2009). Collins complete British mushrooms and toadstools : the essential photograph guide to Britain's fungi. London: Collins. ISBN   978-0-00-723224-6. OCLC   373477641.
  5. ↑ Lacheva, M (2014). "New data for Leucoagaricus and Leucocoprinus (Agaricaceae) in Bulgaria". Agricultural Science and Technology. 6 (1): 76–79 – via agriscitech.eu.
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.