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PalDat - Palynological Database

an online publication on recent pollen

Platanus hispanica

Taxonomy: Spermatophyta, Hamamelidales, Platanaceae, Platanus

Published: 2005-06-01

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): -,  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: -,  shape: spheroidal,  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: -,  aperture condition: colpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate,  suprasculpture SEM: -,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: also 4 to 6 colpate pollen grains, sometimes heterocolpate.

Author(s) of diagnosis: Halbritter, H.; Diethart, B.

Pictures

flower(s)

1. flower(s)

pollen grain with generative cell

2. pollen grain with generative cell

upper view

3. upper view

optical section

4. optical section

lower focus

5. lower focus

polar view

6. polar view

equatorial view

7. equatorial view

detail of aperture

8. detail of aperture

exine surface

9. exine surface

polar area

10. polar area

dry pollen grains

11. dry pollen grains

dry pollen grain in equatorial view

12. dry pollen grain in equatorial view

anther wall with Ubisch bodies

13. anther wall with Ubisch bodies

pollen grain in cross section

14. pollen grain in cross section

interapertural area of pollen wall

15. interapertural area of pollen wall

apertural area of pollen wall

16. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

17. pollen wall at transition of aperture and interapertural area

vegetative nucleus (left) and generative cell (right)

18. vegetative nucleus (left) and generative cell (right)

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Diethart, B.
  3. upper view - fresh, acetolyzed, unstained, photographer: Diethart, B.
  4. optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
  5. lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - 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. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Diethart, B.
  13. anther wall with Ubisch bodies - dry, sputter coated with gold, photographer: Diethart, B.
  14. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  15. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  16. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  17. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  18. vegetative nucleus (left) and generative cell (right) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Diethart B. 2005. Platanus hispanica. In: PalDat - A palynological database. https://www.paldat.org/pub/Platanus_hispanica/109306;jsessionid=5AAB106E78ABCAE05910024805E07D2B; accessed 2024-03-29

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