Sensory, Occurrence, Shape, and Coloring of Paxillus involutus
SeasonJune - November
GrowthForest Soils Woods
Size5 to 16 cm
Spore DonorAdnate Decurrent Gills Narrow
CapBrown Gray Orange
FleshBrown Orange White Yellow
GillsBrown Orange Yellow
StemBrown Orange White Yellow
Spore DustBrown Red
Etymology and Classification of Paxillus involutus
|Scientific name||Paxillus involutus|
|Status of name||Legitimate|
|Type of name||Combination|
|Year of publication||1838|
Description of Paxillus involutus
Occurrence and Growth
Paxillus involutus (English: Brown rollrim, Poison pax, Common roll-rim) is a common mushroom that grows mainly on forest soils and on woods. Its main season begins in June and ends in November.
Edibility, Taste and Smell
Paxillus involutus is deadly poisonous. The mushroom tastes mild. Its smell can be described as sweet.
Shape and Surface
Paxillus involutus commonly measures from 5 to 16 cm. The cap is shaped funnel-like and hemispherical. The fruit body is bleaching. The stem is rooted and fibrous. The stem surface is colubrid-patterned. The spore donor can be described as adnate, decurrent, and gills narrow.
The cap of Paxillus involutus is frequently colored brown, gray, and orange. The color of the flesh is often brown, orange, white, and yellow. The gills of Paxillus involutus are regularly colored brown, orange, and yellow. The stem is often colored brown, orange, white, and yellow. When cut, the coloring of Paxillus involutus changes to brown. The spore dust is frequently colored brown and red.
Etymology and Classification
Paxillus involutus (Gender: Masculine) was scientifically described by E. Fries and effectively published in 1838. The name Paxillus involutus is of type combination. Paxillus involutus has the status legitimate.
The scientific classification of Paxillus involutus is Fungi, Dikarya, Basidiomycota, Agaricomycotina, Agaricomycetes, Agaricomycetidae, Boletales, Paxillaceae, Paxillus. For further information, please see E. Fries (1838, p. 317).
Paxillus involutus is also known for its latin synonyms Ruthea involuta, Rhymovis involuta, Paxillus involutus var. excentricus, Omphalia involuta var. involuta, Omphalia involuta, Agaricus involutus, Agaricus contiguus.
Brown rollrim is also known for its English synonyms Poison pax, Common roll-rim.
Fries, E. 1838. Epicrisis Systematis Mycologici. :1-610