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PalDat - Palynological Database

an online publication on recent pollen

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

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: rugulate, perforate,  suprasculpture SEM: -,  TEMtectum: 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

inflorescence(s)

1. inflorescence(s)

flower(s)

2. flower(s)

pollen grain with generative cell

3. pollen grain with generative cell

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

polar view

7. polar view

equatorial view

8. equatorial view

aperture

9. aperture

polar area

10. polar area

exine surface

11. exine surface

dry pollen grains

12. dry pollen grains

Ubisch bodies

13. Ubisch bodies

interapertural area of pollen wall

14. interapertural area of pollen wall

apertural area of pollen wall

15. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

16. pollen wall at transition of aperture and interapertural area

vegetative nucleus

17. vegetative nucleus

Picture legend

  1. inflorescence(s), photographer: Halbritter, H.
  2. flower(s), photographer: Sam, S.
  3. pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  4. upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  5. optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
  6. lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  7. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  13. Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  14. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  15. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  16. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  17. 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://www.paldat.org/pub/Castanea_sativa/108757;jsessionid=5128CA69FA24A5C11B46BB34B628FACB; accessed 2020-09-23

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