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PalDat - Palynological Database

an online publication on recent pollen

Carpinus betulus

Taxonomy: Angiospermae, Fagales, Betulaceae, Carpinus

Links: http://flora.nhm-wien.ac.at/seiten-arten/carpinus-betulus.htm

Published: 2020-08-03

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 31-35 µm,  shortest polar axis in equatorial view (LM): <10 µm,  longest polar axis in equatorial view (LM): <10 µm,  shortest diameter in equatorial or polar view (LM): 31-35 µm,  longest diameter in equatorial or polar view (LM): 31-35 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 4,  aperture type: porus,  aperture condition: porate, tetraporate,  aperture peculiarities: operculum, oncus

Ornamentation and Structure

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: rugulate, microechinate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: granular,  foot layer: continuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: starch,  cell number: 2-celled,  Ubisch bodies: present

Annotations: number of apertures varies from 3 to 5

Author(s) of diagnosis: Halbritter, Heidemarie; Schneider, Heinz; Sam, Saskia; Auer, Waltraud

Pictures

habitus

1. habitus

inflorescence(s)

2. inflorescence(s)

male flowers

3. male flowers

detail of flower(s)

4. detail of flower(s)

pollen grain with generative cell

5. pollen grain with generative cell

upper focus

6. upper focus

optical section

7. optical section

lower focus

8. lower focus

hydrated Pollen

9. hydrated Pollen

hydrated Pollen

10. hydrated Pollen

hydrated Pollen

11. hydrated Pollen

slightly oblique polar view

12. slightly oblique polar view

equatorial view

13. equatorial view

equatorial view

14. equatorial view

aperture

15. aperture

aperture

16. aperture

exine surface

17. exine surface

exine surface

18. exine surface

dry pollen grains

19. dry pollen grains

dry pollen grains

20. dry pollen grains

Ubisch bodies

21. Ubisch bodies

interapertural area of pollen wall

22. interapertural area of pollen wall

apertural area of pollen wall

23. apertural area of pollen wall

Ubisch bodies

24. Ubisch bodies

generative cell

25. generative cell

Picture legend

  1. habitus, photographer: Sam, S.
  2. inflorescence(s), photographer: Sam, S.
  3. male flowers, photographer: Schneider, H.
  4. detail of flower(s), photographer: Schneider, H.
  5. pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  6. upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  7. optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
  8. lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  9. hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
  10. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  11. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  12. slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  13. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  14. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  15. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  17. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  18. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  19. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  20. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  21. Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  22. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  23. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  24. Ubisch bodies - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  25. generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.

Literature

  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143

Copyright and Citation

Cite this publication as:

Halbritter H., Schneider H., Sam S., Auer W. 2020. Carpinus betulus. In: PalDat - A palynological database. https://www.paldat.org/pub/Carpinus_betulus/303764;jsessionid=8C58D67379BEA77A30CA296A9EA48D89; accessed 2020-08-14

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