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PalDat - Palynological Database

an online publication on recent pollen

Melampyrum nemorosum

Taxonomy: Spermatophyta, Scrophulariales, Orobanchaceae, Melampyrum

Published: 2012-12-04

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): triangular,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: -,  aperture condition: colpate,  aperture peculiarities: aperture membrane psilate

Ornamentation and Structure

LM  ornamentation LM: no suitable term,  nexine: present,  sexine: present,  SEM  ornamentation SEM: no suitable term,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: compact-continuous,  intine: bilayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: lipids,  cell number: 2-celled,  Ubisch bodies: present

Annotations: Pollen grains 2- and 3-celled. Nuclei of anther-cells often contain calcium oxalate crystals.

Author(s) of diagnosis: Ulrich, S.

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

flower(s)

3. flower(s)

no starch detected, equatorial view

4. no starch detected, equatorial view

no starch detected, polar view

5. no starch detected, polar view

two-celled pollen grain

6. two-celled pollen grain

two-celled pollen grains

7. two-celled pollen grains

acetolysed pollen in polar view, upper focus

8. acetolysed pollen in polar view, upper focus

acetolysed pollen in polar view, optical section

9. acetolysed pollen in polar view, optical section

acetolysed pollen in polar view, lower focus

10. acetolysed pollen in polar view, lower focus

hydrated pollen, polar view

11. hydrated pollen, polar view

hydrated pollen, equatorial view

12. hydrated pollen, equatorial view

polar view

13. polar view

polar view

14. polar view

equatorial view

15. equatorial view

equatorial view

16. equatorial view

aperture

17. aperture

detail of aperture

18. detail of aperture

detail of aperture

19. detail of aperture

exine surface, transition zone between aperture and interapertural area

20. exine surface, transition zone between aperture and interapertural area

detail of exine surface, wall thickening in interapertural area

21. detail of exine surface, wall thickening in interapertural area

detail of exine surface

22. detail of exine surface

polar area

23. polar area

polar area

24. polar area

dry pollen grains

25. dry pollen grains

dry pollen grains

26. dry pollen grains

Ubisch bodies on inner anther wall

27. Ubisch bodies on inner anther wall

Ubisch bodies on inner anther wall

28. Ubisch bodies on inner anther wall

cross section of pollen grain

29. cross section of pollen grain

cross section of pollen grain, and Ubisch bodies on loculus wall

30. cross section of pollen grain, and Ubisch bodies on loculus wall

pollen wall with pollenkitt and Ubisch bodies on inner anther wall

31. pollen wall with pollenkitt and Ubisch bodies on inner anther wall

pollen wall, aperture in cross section

32. pollen wall, aperture in cross section

pollen wall, interapertural area, pollenkitt and Ubisch bodies on inner anther wall

33. pollen wall, interapertural area, pollenkitt and Ubisch bodies on inner anther wall

pollen wall, interapertural area

34. pollen wall, interapertural area

pollen wall, interapertural area

35. pollen wall, interapertural area

pollen wall, interapertural area

36. pollen wall, interapertural area

pollen wall, transition zone between aperture and interapertural area

37. pollen wall, transition zone between aperture and interapertural area

aperture in cross section

38. aperture in cross section

pollen wall, interapertural area, endexine clearly visible

39. pollen wall, interapertural area, endexine clearly visible

vegetative nucleus and generative cell

40. vegetative nucleus and generative cell

pollen wall, interapertural area; pollenkitt and Ubisch bodies

41. pollen wall, interapertural area; pollenkitt and Ubisch bodies

Ubisch bodies on loculus wall

42. Ubisch bodies on loculus wall

Picture legend

  1. habitus, photographer: Ulrich, S.
  2. flower(s), photographer: Ulrich, S.
  3. flower(s), photographer: Halbritter, H.
  4. no starch detected, equatorial view - dry, rehydrated (water), iodine, photographer: Ulrich, S.
  5. no starch detected, polar view - dry, Karnovsky-fixation (microwave), iodine, photographer: Ulrich, S.
  6. two-celled pollen grain - dry, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
  7. two-celled pollen grains - dry, rehydrated (water) & glycerine, aceto-carmine, photographer: Ulrich, S.
  8. acetolysed pollen in polar view, upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  9. acetolysed pollen in polar view, optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
  10. acetolysed pollen in polar view, lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  11. hydrated pollen, polar view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
  12. hydrated pollen, equatorial view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
  13. polar view - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  15. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  16. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  17. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  18. detail of aperture - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  19. detail of aperture - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  20. exine surface, transition zone between aperture and interapertural area - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  21. detail of exine surface, wall thickening in interapertural area - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  22. detail of exine surface - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  23. polar area - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  24. polar area - fresh, DMP & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  25. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  26. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  27. Ubisch bodies on inner anther wall - dry, sputter coated with gold, photographer: Ulrich, S.
  28. Ubisch bodies on inner anther wall - dry, sputter coated with gold, photographer: Ulrich, S.
  29. cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  30. cross section of pollen grain, and Ubisch bodies on loculus wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  31. pollen wall with pollenkitt and Ubisch bodies on inner anther wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  32. pollen wall, aperture in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  33. pollen wall, interapertural area, pollenkitt and Ubisch bodies on inner anther wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  34. pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Ulrich, S.
  35. pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Ulrich, S.
  36. pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  37. pollen wall, transition zone between aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  38. aperture in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  39. pollen wall, interapertural area, endexine clearly visible - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  40. vegetative nucleus and generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  41. pollen wall, interapertural area; pollenkitt and Ubisch bodies - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  42. Ubisch bodies on loculus wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.

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Copyright and Citation

Cite this publication as:

Ulrich S., Halbritter H. 2012. Melampyrum nemorosum. In: PalDat - A palynological database. https://www.paldat.org/pub/Melampyrum_nemorosum/206550;jsessionid=CC5709618E509CEC37F48FBC0BCE3063; accessed 2024-04-27

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