Castanea sativa
Taxonomy: Spermatophyta, Fagales, Fagaceae, Castanea
Published: 2005-06-01
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: -, polarity: isopolar, P/E-ratio: prolate, shape: -, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): lobate, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colporus, aperture condition: colporate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: rugulate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: 2-celled, Ubisch bodies: present
Annotations: Columellae are very short.
Author(s) of diagnosis: Halbritter, H.; Sam, S.
Pictures
1. inflorescence(s)
2. flower(s)
3. pollen grain with generative cell
4. upper focus
5. optical section
6. lower focus
7. polar view
8. equatorial view
9. aperture
10. polar area
11. exine surface
12. dry pollen grains
13. Ubisch bodies
14. interapertural area of pollen wall
15. apertural area of pollen wall
16. pollen wall at transition of aperture and interapertural area
17. vegetative nucleus
Picture legend
- inflorescence(s), photographer: Halbritter, H.
- flower(s), photographer: Sam, S.
- 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.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - 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: Halbritter, H.
- polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- 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.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
Literature
Copyright and Citation
Cite this publication as:
Halbritter H., Sam S. 2005. Castanea sativa. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Castanea_sativa/108757;jsessionid=E79652BD6A41811434D045602710A973; accessed 2025-01-26