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PalDat - Palynological Database

an online publication on recent pollen

Melampyrum pratense

Taxonomy: Angiospermae, Lamiales, Orobanchaceae, Melampyrum

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Melampyrum-pratense.htm

Published: 2020-12-15

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): 16-20 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): 16-20 µm,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  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: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane psilate

Ornamentation and Structure

LM  ornamentation LM: scabrate, verrucate,  nexine: present,  sexine: present,  SEM  ornamentation SEM: microrugulate,  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: exine thickening in interapertural area; pollen 2- and 3-celled

Author(s) of diagnosis: Halbritter, Heidemarie; Ulrich, Silvia; Auer, Waltraud

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

2-celled pollen grain

3. 2-celled pollen grain

acetolyzed pollen,polar view,upper focus

4. acetolyzed pollen, polar view, upper focus

acetolyzed pollen,polar view,optical section

5. acetolyzed pollen, polar view, optical section

acetolyzed pollen,polar view,lower focus

6. acetolyzed pollen, polar view, lower focus

hydrated pollen in polar view

7. hydrated pollen in polar view

hydrated pollen in equatorial view

8. hydrated pollen in equatorial view

no starch detected, equatorial view

9. no starch detected, equatorial view

hydrated pollen

10. hydrated pollen

hydrated pollen

11. hydrated pollen

hydrated pollen

12. hydrated pollen

hydrated pollen in slightly oblique polar view

13. hydrated pollen in slightly oblique polar view

polar view

14. polar view

hydrated pollen in equatorial view

15. hydrated pollen in equatorial view

equatorial view

16. equatorial view

detail of aperture

17. detail of aperture

detail of aperture

18. detail of aperture

detail of aperture

19. detail of aperture

exine surface

20. exine surface

exine surface with wall thickening

21. exine surface with wall thickening

exine surface

22. exine surface

exine surface

23. exine surface

polar area

24. polar area

polar area

25. polar area

dry pollen grains

26. dry pollen grains

dry pollen grains

27. dry pollen grains

dry pollen grain

28. dry pollen grain

Ubisch bodies on inner anther wall

29. Ubisch bodies on inner anther wall

cross section of pollen grain

30. cross section of pollen grain

cross section of pollen grain

31. cross section of pollen grain

pollen wall in aperture area; pollenkitt

32. pollen wall in aperture area; pollenkitt

pollen wall with exine thickening at transition of aperture and interapertural area

33. pollen wall with exine thickening at transition of aperture and interapertural area

pollen wall in interapertural area, Ubisch bodies on loculus wall

34. pollen wall in interapertural area, Ubisch bodies on loculus wall

pollen wall, interapertural area

35. pollen wall, interapertural area

pollen wall in interapertural area with pollenkitt

36. pollen wall in interapertural area with pollenkitt

pollen wall, interapertural area

37. pollen wall, interapertural area

pollen wall in interapertural area,Ubisch bodies attached to pollen wall

38. pollen wall in interapertural area, Ubisch bodies attached to pollen wall

vegetative nucleus and two cuts of the generative cell

39. vegetative nucleus and two cuts of the generative cell

Ubisch bodies on loculus wall

40. Ubisch bodies on loculus wall

Picture legend

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

Literature

  • Aghababian VS, Poghosova A (1991) Materials on palinomorphological study of Pedicularis L. and Melampyrium L. genera. Biol J Armenia 44: 7-13
  • Inceoglu O (1982) Pollen grains in some Turkish Rhinantheae (Scrophulariaceae). Grana 21: 83-96
  • Inceoglu O, Karamustafa F (1977) The pollen morphology of plants in Ankara region IV. Scrophulariaceae. Commun Fac Sci Univ Ankara Ser C2 Bot 21: 131-143
  • Kuprianova LA, Alyoshina LA (1978) Pollen dicotyledonearum Florae Partis Europaeae USSR. Lamiaceae - Zygophyllaceae. Nauka, Akad Sci USSR, VL Komarov Inst Bot : 184 pp
  • Marcesse C (1971) Pollens et pollinisation de quelques Scrophularicacées Méditerranéennes. DEA, USTL, Montpellier : 59 pp
  • Minkin JP, Eshbaugh WH (1989) Pollen morphology of the Orobanchaceae and rhinanthoid Scrophulariaceae. Grana 28: 1-18
  • Risch C (1939) Die Pollenkörner der in Deutschland wild wachsenden Scrophulariaceen. Ber Deutsch Bot Ges 57: 108-121
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • FISCHER MA, ADLER W, OSWALD K (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 1180

Copyright and Citation

Cite this publication as:

Halbritter H., Ulrich S., Auer W. 2020. Melampyrum pratense. In: PalDat - A palynological database. https://www.paldat.org/pub/Melampyrum_pratense/304525;jsessionid=213AAE2D4E73C810AE58FCC028859892; accessed 2024-04-25

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