Search on : Russula species

 


    

General information

 Substratum:Terricolous 
 
Continent::
Africa no
North America no
S. and C. America no
 
Asia no
Australia no
Europe yes
 
 Authority:Quelet 
 Synonyms and close species:C: R. velenovskyi
R. integra (?)
 
 Information given by author(s):Polychromae melliolentinae
Comon
Type : VIII-38
 
 Host(s):Deciduous, Coniferous 
 Taxon name_Mycobank:
 
 Bibliography:
 

Macro-characters

 
Stipe
 Width of stipe:10 - 30 
 Veil:Absent 
 Form of base of stipe:Not radicate 
 Form of stipe:Infl. at top/base/straight 
 Context of stipe:Partly hollow to solid/both 
 
Main color(s) of stipe::
grey/black no
brown yes
white yes
yellow/cream yes
blue no
 
orange no
red/pink yes
purple/vinaceous no
green no
   
 
 Length of stipe:(25) 50 - 100 
 
Pileus
 Type of pileipellis:Smooth to squamose or both 
 Striations of pileus:Absent 
 Form of center of pileus:Concave to plane or both 
 Separability of pileus:Medium (from25% to 75%) 
 
Thickness of flesh of pileus
 
Main color(s) of pileus::
grey/black no
brown variable
white no
yellow/cream yes
blue no
 
orange yes
red/pink yes
purple/vinaceous yes
green no
   
 
 Diameter of pileus:30 - 80 (100) 
 
Lamellae
 Spacing of lamellae:Variable 
 Furcation of lamellae:At or close to the stipe only 
 Color of ridges of lamellae:Variable in color 
 Attachment of lamellae:Free to adnate/subfree/both 
 Type of lamellar ridges:Entire/smooth 
 
Main color(s) of lamellae::
grey/black no
brown variable
white yes
yellow/cream yes
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Height of lamellae:10 
 Odor:Variable/weak and pleasant 
 Flavor of flesh:No taste, sweet 
 
Color changes
 Fruit body turns green/blue with age:Not turning green/blue 
 Fruit body turns red if touched/cut:Not turning red 
 Fruit body turns yellow-brown with age:Entire fruit body 
 Fruit body turns black with age/touched:Not blackening 
 Fruit body turns grey with age:Not turning grey 
 
Latex
 Latex:Absent 
 
Color(s) of fresh latex::
grey/black no
brown no
white no
yellow/cream no
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 
Color(s) of dry latex::
grey/black no
brown no
white no
yellow/cream no
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 

Micro-characters

 
Spores
 Length of spores:8.5 - 11.2 
 Width of spores:8 - 9.5 
 Amyloid plage:Variable/partial/weak 
 Appearance of spores verrucae:Tips round./truncat./cylindr. 
 Ornamentations in surface view:Linear 
 Connection(s) between verrucae:Joined by fine and low lines 
 Overall appearance of spores:Completely reticulate 
 Height of verrucae:0 <= x <= 0.5 µm 
 Color of spore deposit:4 
 Pictures from Romagnesi, 1967_Link:
  • 3\323a.jpg
 
 
Basidia
 Length of basidia:49 - 55 (65) 
 Width of basidia:(10) 13 - 14.5 (16) 
 Number of sterigmata per basidium:Four 
 
Pleurocystidia
 Length of pleurocystidia:55 - 80 
 Width of pleurocystidia:8.5 - 11 (16) 
 Length of pleurocystidial emergence:0 
 Thickness of wall of pleurocystidia:Thin (all structures < 2 µm) 
 Shape of apices of pleurocystidia:Mainly rounded 
 Sulfo-vanillin test on pleurocystidia:Variable/weak reaction 
 
Pleurocystidia abundance::
absent no
very dispersed 0-350/mm² ?
dispersed 350-700/mm² ?
 
rather abund 700-1500/mm² ?
abundant 1500-3000/mm² ?
very abundant >3000/mm² ?
 
 
Marginal cells
 Length of marginal cells:0 
 Width of marginal cells:0 
 
Subhymenium
 Subhymenium:Filament. to pseudoparenchym. 
 Differentiation of supra and subpellis:Obvious 
 Size of cells in supra and subpellis:Same in size 
 
Pileocystidia
 Width of pileocystidia:(3) 6 - 7.7 
 Location of pileocystidia:Suprapellis 
 Septation of pileocystidia:Usually septate 
 Shape of apices of pileocystidia:Mainly rounded 
 Sulfo-vanillin test on pileocystidia:Variable/weak reaction 
 
Hyphae of pileus
 Diameter of subpellis hyphae:2.7 - 3 
 Diameter of ends of pileipellis hyphae:(1.5) 1.7 - 3.2 (3.5) 
 Diameter of primordial hyphae:0 
 Vacuolar pigments of hyphae of pileus:Present 
 Membrane pigments of hyphae of pileus:Absent 
 Wall of hyphae of pileus:Thin (<1 µm) 
 Filamentous hyphae of pileus:Absent