''Gymnopilus punctifolius'' is a species of
mushroom in the family
Hymenogastraceae found in North America.
Taxonomy
The fungus was originally
described in 1903 by American mycologist
Charles Horton Peck as ''Cortinarius punctifolius''.
transferred it to ''
Flammulina'' in 1945. It was given its current name when
Rolf Singer
Rolf Singer (June 23, 1906 – January 18, 1994) was a Germany, German-born mycologist and one of the most important Taxonomy (biology), taxonomists of gilled mushrooms (agarics) in the 20th century.
After receiving his Ph.D. at the University ...
transferred it to ''
Gymnopilus'' in 1951.
Description
The
cap is initially convex before flattening out, reaching in diameter.
It color is dull purple-red with tones ranging from bluish green to greenish yellow to olive or brown. The cap's surface texture is smooth overall except for a central
fibrillose patch sometimes present in young specimens. The cap margin, initially curled inward, often becomes wavy with age. The bitter-tasting greenish-yellow
flesh is thick and firm, and lacks any distinct odor.
Gills have an attached to sinuate attachment to the
stipe when young, which often becomes deeply emarginate (notched near the stipe) later. They are broad and closely spaced, with intervening lamellae (short gills). Initially yellowish olive, the gills become pinkish cinnamon as the
spore
In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...
s mature.
The
spore print is reddish yellow.
Spores are thin-walled, oval with small warts on the surface, and measure 4–6 by 3.5–5 μm.
Clamp connections are present in the
hypha
A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
Structure
A hypha consists of one or ...
e.
The species is inedible.
[
]
Habitat and distribution
''Gymnopilus punctifolius'' fruits scattered or in groups on decaying conifer
Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...
ous wood, debris, and rich humus
In classical soil science, humus is the dark organic matter in soil that is formed by the decomposition of plant and animal matter. It is a kind of soil organic matter. It is rich in nutrients and retains moisture in the soil. Humus is the Lati ...
. It has been found in the US states of Idaho, Washington, Oregon, California, Wyoming, Michigan, Massachusetts, and New Mexico; fruiting between August and September.
See also
* List of ''Gymnopilus'' species
References
{{DEFAULTSORT:Gymnopilus punctifolius
punctifolius
Fungi described in 1903
Fungi of North America
Inedible fungi
Taxa named by Charles Horton Peck
Fungus species