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PalDat - Palynological Database

an online publication on recent pollen

Carpinus betulus

Taxonomy: Angiospermae, Fagales, Betulaceae, Carpinus

Published: 2016-07-19

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: porate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  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: scabrate,  nexine: -,  sexine: -,  SEMornamentation SEM: rugulate, microechinate,  TEMtectum: eutectate,  infratectum: granular,  foot layer: continuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -

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

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

slightly oblique polar view

9. slightly oblique polar view

equatorial view

10. equatorial view

equatorial view

11. equatorial view

aperture

12. aperture

aperture

13. aperture

exine surface

14. exine surface

exine surface

15. exine surface

dry pollen grains

16. dry pollen grains

dry pollen grains

17. dry pollen grains

Ubisch bodies

18. Ubisch bodies

interapertural area of pollen wall

19. interapertural area of pollen wall

apertural area of pollen wall

20. apertural area of pollen wall

Ubisch bodies

21. Ubisch bodies

generative cell

22. 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. slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  10. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  11. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  12. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  14. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  15. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  17. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  18. Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  19. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  20. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  21. Ubisch bodies - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  22. 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. 2016. Carpinus betulus. In: PalDat - A palynological database. https://www.paldat.org/pub/Carpinus_betulus/301255;jsessionid=893768BD0E825C00A44647E112F15F0C; accessed 2018-11-18

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