Group : Outer wall

Outer wall: External part of the skeleton, composed by a porous carcass, simple or coated by a additional sheath.

Single wall: External part of the skeleton for one-walled cup, composed by a porous carcass, simple or coated by a additional sheath.

../images/schema_OW.png

Outer wall

List of descriptors

  1. Structure of outer carcass wall (OW/SW)
  2. Carcass perforations: outer wall or single wall (OW/SW)
  3. Type of carcass pores (OW/SW)
  4. Size of carcass pores (OW/SW)
  5. Distribution of carcass pores (OW/SW)
  6. Repartition of carcass pores (OW/SW)
  7. Repartition types of carcass pores (OW/SW)
  8. Relationship between rows of carcass pores and intersept (OW/SW)
  9. Shape of carcass canals (OW/SW)
  10. Direction of carcass canals (OW/SW)
  11. Origin of carcass canals (OW/SW)
  12. Relationship between carcass canals and intersept (OW/SW)
  13. Carcass bumps: outer wall or single wall (OW/SW)
  14. Perforation of carcass bumps (OW/SW)
  15. Direction of carcass bumps perforation (OW/SW)
  16. Carcass external plates: outer wall or single wall (OW/SW)
  17. Type of carcass external plates (OW/SW)
  18. Shape of carcass external plates (OW/SW)
  19. Direction of carcass external plates (OW/SW)
  20. Stipules
  21. Type of morphological tubes (OW/SW)
  22. Additional sheath
  23. Type of additional sheath (OW/SW)
  24. Type of microporous sheath (OW/SW)
  25. Repartition of bracts on additional sheath (OW/SW)
  26. Type of mesh (OW/SW)
  27. Type of shieve (OW/SW)
  28. Repartition of micropores (OW/SW)