Group : informative descriptor

All the certains descriptors are in this group. Those that are uncertains or the descriptors that are not of systematic value are not here.

List of descriptors

  1. identification within "subfamily" or "tribe"
  2. general stem pattern (ex-von Mohl's classification)
  3. shape of fibrous part in transverse section
  4. wide metaxylem element
  5. number of wide metaxylem element per fibrous vascular bundle
  6. phytoliths
  7. phytoliths distribution in central cylinder
  8. fibrous part centrifugal differentiation
  9. ground parenchyma sustained growth
  10. ground parenchyma of the central cylinder
  11. cortex
  12. superficial protective layer (sub-epidermal)
  13. multicellular epidermal hair
  14. epidermal cells
  15. tangential elongation and anticlinal divisions of subcortical parenchyma cells
  16. radial elongation of the fibrous part (in subcortical zone)
  17. fibrous bundles in central cylinder
  18. fibrous part adjacent to the xylem
  19. number of phloem strand
  20. little fibrous vascular bundles (bridges)
  21. radiating parenchyma
  22. tabular parenchyma
  23. end wall slope
  24. specialisation value
  25. metaphloem sieve plate