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PalDat - Palynological Database

an online publication on recent pollen

Ailanthus altissima

Taxonomy: Angiospermae, Sapindales, Simaroubaceae, Ailanthus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Ailanthus-altissima.htm

Published: 2020-11-30

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): 26-30 µm,  shortest polar axis in equatorial view (LM): 21-25 µm,  longest polar axis in equatorial view (LM): 21-25 µm,  shortest diameter in equatorial or polar view (LM): 21-25 µm,  longest diameter in equatorial or polar view (LM): 21-25 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  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, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: starch,  cell number: 2-celled,  Ubisch bodies: absent

Author(s) of diagnosis: Diethart, Bernadette; Heigl, Helmut

Pictures

flower(s)

1. flower(s)

detail of flower(s)

2. detail of 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

hydrated pollen

7. hydrated pollen

hydrated pollen

8. hydrated pollen

hydrated pollen

9. hydrated pollen

polar view

10. polar view

equatorial view

11. equatorial view

equatorial view

12. equatorial view

detail of aperture

13. detail of aperture

detail of aperture

14. detail of aperture

exine surface

15. exine surface

dry pollen grains

16. dry pollen grains

polar view (dry pollen grain)

17. polar view (dry pollen grain)

dry pollen grain in equatorial view

18. dry pollen grain in equatorial view

interapertural area of pollen wall

19. interapertural area of pollen wall

apertural area of pollen wall

20. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

21. pollen wall at transition of aperture and interapertural area

Picture legend

  1. flower(s), photographer: Diethart, B.
  2. detail of flower(s), photographer: Diethart, B.
  3. pollen grain with generative cell - dry, unfixed & rehydrated (water), aceto-carmine, photographer: Diethart, B.
  4. upper focus - dry, acetolyzed, unstained, photographer: Diethart, B.
  5. optical section - dry, acetolyzed, unstained, photographer: Diethart, B.
  6. lower focus - dry, acetolyzed, unstained, photographer: Diethart, B.
  7. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  8. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  9. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  10. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  11. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  12. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  13. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  14. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  15. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Diethart, B.
  17. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Diethart, B.
  18. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Diethart, B.
  19. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Diethart, B.
  20. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
  21. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180

Copyright and Citation

Cite this publication as:

Diethart B., Heigl H. 2020. Ailanthus altissima. In: PalDat - A palynological database. https://www.paldat.org/pub/Ailanthus_altissima/304167;jsessionid=C21770989D9592F01CD3CEADD57C9724; accessed 2024-03-28

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