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:Lindblad 
 Information given by author(s):Polychromae integroidinae
Frequent
Type : 53-238
 
 Host(s):Deciduous, Coniferous 
 Taxon name_Mycobank:
 
 Bibliography:
 

Macro-characters

 
Stipe
 Width of stipe:13 - 23 (25) 
 Veil:Absent 
 Form of base of stipe:Not radicate 
 Form of stipe:Infl. at top/base/straight 
 Context of stipe:Solid, spongy 
 
Main color(s) of stipe::
grey/black yes
brown variable
white yes
yellow/cream variable
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Length of stipe:30 - 65 
 
Pileus
 Type of pileipellis:Smooth 
 Striations of pileus:Absent to weak or both 
 Viscosity of pileus:Never viscid nor viscous 
 Form of center of pileus:Concave/depressed 
 Separability of pileus:Medium (from25% to 75%) 
 
Thickness of flesh of pileus
 Thickness of flesh of pileus:Thick 
 
Main color(s) of pileus::
grey/black no
brown yes
white no
yellow/cream yes
blue no
 
orange no
red/pink variable
purple/vinaceous yes
green no
   
 
 Diameter of pileus:45 - 100 
 
Lamellae
 Spacing of lamellae:Variable 
 Number of lamellulae:Less than lamellae 
 Furcation of lamellae:At the stipe/absent 
 Color of ridges of lamellae:Fully concolorous with faces 
 Attachment of lamellae:Decurrent/adnate/free 
 Type of lamellae:Fragile/breakable 
 Type of lamellar ridges:Entire/smooth 
 
Main color(s) of lamellae::
grey/black yes
brown variable
white no
yellow/cream yes
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Height of lamellae:4 - 11 
 Odor:None 
 Flavor of flesh:No taste, sweet 
 
Color changes
 Fruit body turns green/blue with age:Not turning green/blue 
 Fruit body turns yellow-brown with age:Var./weak change on stipe 
 Fruit body turns br. yellow if touched:Not turning bright yellow 
 Fruit body turns black with age/touched:Entire fruit body 
 Fruit body turns grey with age:Entire fruit body 
 
Chemical reactions
 FeSO4 test on flesh:Green/green-grey 
 Ga´ac test on flesh:Variable/weak reaction 
 
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 - 11.5 
 Width of spores:6.5 - 8.5 
 Amyloid plage:Variable/partial/weak 
 Appearance of spores verrucae:Tips acute/sharp/pointed (/) 
 Ornamentations in surface view:Round bases 
 Connection(s) between verrucae:No ornament./smooth or so 
 Overall appearance of spores:Not reticulate 
 Height of verrucae:0 <= x <= 0.5 µm 
 Color of spore deposit:10 
 Pictures from Romagnesi, 1967_Link:
  • 3\343a.jpg
 
 
Basidia
 Length of basidia:50 - 60 
 Width of basidia:10 - 13 
 Number of sterigmata per basidium:Four 
 
Pleurocystidia
 Length of pleurocystidia:85 - 120 
 Width of pleurocystidia:8.5 - 13.5 
 Thickness of wall of pleurocystidia:Thin (all structures < 2 µm) 
 Shape of apices of pleurocystidia:Variable 
 
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
 Differentiation of supra and subpellis:Obvious 
 Size of cells in supra and subpellis:Same in size 
 
Hyphae of pileus
 Diameter of subpellis hyphae:2.7 - 3.5 
 Diameter of ends of pileipellis hyphae:2.5 - 4.2 
 Diameter of primordial hyphae:(3.5) 4 - 6 
 Vacuolar pigments of hyphae of pileus:Present 
 Membrane pigments of hyphae of pileus:Variable/weak 
 Filamentous hyphae of pileus:Absent