Carpinus betulus
Taxonomy: Angiospermae, Fagales, Betulaceae, Carpinus
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Carpinus-betulus.htm
Published: 2021-05-31
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): 31-35 µm, longest polar axis in equatorial view (LM): 31-35 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: tetraporate, porate, aperture peculiarities: oncus, operculum
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, rugulate, suprasculpture SEM: -, TEM tectum: 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
1. habitus
2. inflorescence(s)
3. male flowers
4. detail of flower(s)
5. pollen grain with generative cell
6. upper focus
7. optical section
8. lower focus
9. hydrated Pollen
10. hydrated Pollen
11. hydrated Pollen
12. slightly oblique polar view
13. equatorial view
14. equatorial view
15. aperture
16. aperture
17. exine surface
18. exine surface
19. dry pollen grains
20. dry pollen grains
21. Ubisch bodies
22. interapertural area of pollen wall
23. apertural area of pollen wall
24. Ubisch bodies
25. generative cell
Picture legend
- habitus, photographer: Sam, S.
- inflorescence(s), photographer: Sam, S.
- male flowers, photographer: Schneider, H.
- detail of flower(s), photographer: Schneider, H.
- pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Sam, S.
- upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
- optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
- lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
- hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
- dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
- Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- Ubisch bodies - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
Literature
- (1994) Exkursionsflora von Österreich : 1180
- (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. 2021. Carpinus betulus. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Carpinus_betulus/306095; accessed 2025-04-27