Taxon: Tuber magnatum

 WebDelta
Total Characters: 64

1,   2,   3,   4,   5,   6,   7,   8,   9,   10,   11,   12,   13,   14,   15,   

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Images:
 Tuber magnatum.jpg
 Tuber magnatum ascocarp .jpg
 Tuber magnatum ascocarp.jpg
 Tuber magnatum spores.jpg
#1. (Nomenclature, comments, associations, bibliography)
Tuber magnatum Pico In Melethemata inauguralia de fungorum generatione et
propagatione: 80(1788) specimens examined: CMI-UNIBO 1160-30 CMI-UNIBO
1208-34 CMI-UNIBO 1208-35 CMI-UNIBO 1219-36 CMI-UNIBO 1289-44

#2. Ascocarp (shape)    [Image1]
1. subglobose     
2. globose     
3. lobed     

#3. Ascocarp orifice or cavity (presence)    [Image1]
1. absent     

#4. Ascocarp (dimension) cm in diameter
Range: 1-6
Upper limit: 20

#5. Ascocarp (surface color)
3. yellow     
4. ochre     
5. brown     
6. red     

#6. Ascocarp (surface configuration)    [Image1]
1. smooth     

#7. Ascocarp warts (with lens, type)    [Image1]

#8. Ascocarp peridium (surface fine texture)
1. glabrous     

#9. Ascocarp color of spore-bearing tissue (at maturity)
2. grey     
3. yellow     
6. brown     <hazel>
7. olive     

#10. Ascocarp veins (gleba)    [Image1]
2. narrow and numerous     

#11. Peridium (thickness) micron
Mean: 421
Range: 337-505
Lower limit: 253
Upper limit: 532

#12. Peridium outermost layers (thickness) micron
Mean: 78
Range: 45-111
Lower limit: 27
Upper limit: 146

#13. Peridium (outermost layers color)
1. hyaline     
2. yellow-brown     <yellowish>

#14. Peridium anatomical structure (outermost layers)    [Image1]
2. pseudoparenchimatic with roundish cells     

#15. Peridium cell tangential dimension (outermost layers) micron
Mean: 12
Range: 9-15
Lower limit: 3
Upper limit: 16

#16. Peridium cell radial dimension (outermost layers) micron
Mean: 9
Range: 6-12
Lower limit: 3
Upper limit: 13

#17. Peridium innermost layers (thickness) micron
Mean: 336
Range: 251-421
Lower limit: 186
Upper limit: 479

#18. Peridium color (innermost layers)
1. hyaline     

#19. Peridium anatomical structure (innermost layers)    [Image1]
3. plectenchymatic     

#20. Peridium cell tangential dimension (innermost layers) micron
Mean: 6
Range: 3-9
Lower limit: 3
Upper limit: 10

#21. Peridium cell radial dimension (innermost layers) micron
Mean: 5
Range: 3-7
Lower limit: 3
Upper limit: 7

#22. Peridium external cystidia (presence)
2. absent     

#23. Cystidia length micron

#24. Cystidia basal diameter micron

#25. Cystidia septa (presence)

#26. Cystidia (septa number)

#27. Sterile veins (thickness) micron
Range: 50-160

#28. Sterile veins (anatomical features)
2. plectenchimatic     

#29. Fertile veins (thickness) micron

#30. Asci (shape)    [Image1]
2. globose     

#31. Asci major axis (dimension) micron
Mean: 69
Range: 61-77
Lower limit: 53
Upper limit: 90

#32. Asci minor axis (dimension) micron
Mean: 53
Range: 42-64
Lower limit: 26
Upper limit: 68

#33. Asci number of spores per ascus (at maturity)
Range: 1-4

#34. Asci (spore arrangement)
1. irregularly clustered     

#35. Asci iodine reaction (in Melzer's reagent)

#36. Asci color in KOH

#37. Spores (shape)    [Image1]
4. subglobose     
5. globose     

#38. Spores major axis (lenght excluding ornamentation in 4-spore asci) micrometer lenght
Mean: 25
Range: 22-28
Lower limit: 20
Upper limit: 37

#39. Spores minor axis (lenght excluding ornamentation in 4-spore asci) micrometer lenght
Mean: 21
Range: 19-23
Lower limit: 16
Upper limit: 25

#40. Spores color (at maturity)
1. yellow     
2. pale brown     

#41. Spores (ornamentation at maturity)    [Image1]
2. reticulation     

#42. Spores ornamentation length micron    [Image1]
Mean: 4
Range: 3-5
Lower limit: 2
Upper limit: 7

#43. Spores mesh width (ornamentation) micron    [Image1]
Mean: 10
Range: 8-12
Lower limit: 6
Upper limit: 16

#44. Spores number of meshes along the major axis (ornamentation)
Mean: 3
Lower limit: 2
Upper limit: 4

#45. Habitat
1. temperate     

#46. Putative plant host    [Image1]
1. Quercus     
2. Corylus     
3. Ostrya     
4. Carpinus     
5. Tilia     
6. Populus     
7. Salix     

#47. ITS restriction pattern with EcoRI
7. 600-650 bp     

#48. ITS restriction pattern with SphI
5. 250-300 bp     
6. 300-350 bp     

#49. ITS restriction pattern with HincII
1. less than 50 bp     
8. 550-600 bp     

#50. DNA sequence ID of the ITS1-5.8S-ITS2 regions
TMAJ2509

#51. Mycorrhizae emanting hyphae
1. absent     
2. rare     

#52. Mycorrhizae anatomy of emanating hyphae: clamps (presence)    [Image1]
1. absent     

#53. Mycorrhizae color of emanating hyphae
1. hyaline     

#54. Mycorrhizae color of very tip
1. white     
2. whitish     
6. ochre, yellowish brown     

#55. Mycorrhizae color of older parts
6. ochre, yellowish brown     
10. brown     

#56. Mycorrhizae cystidia (presence)    [Image1]
1. absent     
2. present     

#57. Mycorrhizae (cystidia shape)    [Image1]
1. needle like     

#58. Mycorrhizae color (cystidia)
1. hyaline     

#59. Mycorrhizae intercalate swelling (cystidia, presence)
1. absent     

#60. Mycorrhizae ramification (cystidia, presence)    [Image1]
1. absent     

#61. Mycorrhizae (cystidia ramification frequence)

#62. Mycorrhizae (cystidia ramification type)

#63. Mycorrhizae (cystidia ramification position)

#64. Mycorrhizae anatomy of the mantle (in the plan view)    [Image1]
3. pseudoparenchymatus with epidermoid hyphal cells" like a puzzle"     

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