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an online publication on recent pollen

Aesculus carnea

Taxonomy: Angiospermae, Sapindales, Sapindaceae, Aesculus

Published: 2021-03-30

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): 21-25 µm, 26-30 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): 26-30 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: prolate,  shape: -,  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: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: striate,  nexine: -,  sexine: -,  SEMornamentation SEM: striate, perforate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: shape hydrated prolate to spheroidal

Author(s) of diagnosis: Sam, Saskia; Heigl, Helmut

Pictures

inflorescence of Aesculus carnea

1. inflorescence of Aesculus carnea

flowers of Aesculus carnea

2. flowers of Aesculus carnea

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

vegetative nucleus and generative cell

6. vegetative nucleus and generative cell

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

slightly oblique equatorial view

12. slightly oblique equatorial view

aperture

13. aperture

exine surface

14. exine surface

detail of polar area

15. detail of polar area

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

anther wall with Ubisch bodies

19. anther wall with Ubisch bodies

interapertural area of pollen wall

20. interapertural area of pollen wall

interapertural area of pollen wall

21. interapertural area of pollen wall

apertural area of pollen wall

22. apertural area of pollen wall

apertural area of pollen wall

23. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

24. pollen wall at transition of aperture and interapertural area

generative cell (left) and vegetative nucleus

25. generative cell (left) and vegetative nucleus

Picture legend

  1. inflorescence of Aesculus carnea, photographer: Sam, S.
  2. flowers of Aesculus carnea, photographer: Sam, S.
  3. upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  4. optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
  5. lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  6. vegetative nucleus and generative cell - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  7. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  8. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  9. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  10. polar view - fresh, DMP & critical point dried, photographer: Sam, S.
  11. equatorial view - fresh, DMP & critical point dried, photographer: Sam, S.
  12. slightly oblique equatorial view - fresh, DMP & critical point dried, photographer: Sam, S.
  13. aperture - fresh, DMP & critical point dried, photographer: Sam, S.
  14. exine surface - fresh, DMP & critical point dried, photographer: Sam, S.
  15. detail of polar area - fresh, DMP & critical point dried, photographer: Sam, S.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  17. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Sam, S.
  18. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Sam, S.
  19. anther wall with Ubisch bodies - fresh, DMP & critical point dried & sputter coated with gold, photographer: Sam, S.
  20. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  21. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Sam, S.
  22. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  23. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Sam, S.
  24. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  25. generative cell (left) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.

Literature

  • Brizicky GK (1963) The genera of Sapindales in the southeastern United States. J Arn Arb 44: 462-501
  • Heath GLA (1984) The Northwest European Pollen Flora 34. Hippocastanaceae. Rev Palaeobot Palynol 42: 111-119
  • Hsieh CCW (1979) Pollen morphology and microsporogenesis in Hippocastanaceae. Diss Abstr Int B 40: 562 pp
  • Lewis WH, Vinay P, Zenger VE (1983) Airborne and allergenic pollen of North America. The John Hopkins Univ Press, Baltimore : 254 pp
  • Nilsson S, Praglowski J, Nilsson L (1977) Atlas of airborne pollen grains and spores in Northern Europe. Natur Och Kultur, Stockholm : 159 pp
  • Tarnavschi IT, Serbanescu-Jitariu G (1963) Contributie la cunoasterea structurii morfologice a microsporilor Hippocastanaceelor si Sapindaceelor din Flora R.P.R. Anal Univ Buc Sér Biol 12: 31-36
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • Halbritter, H (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:

Sam S., Heigl H., Auer W. 2021. Aesculus carnea. In: PalDat - A palynological database. https://www.paldat.org/pub/Aesculus_carnea/305951;jsessionid=CFF277AD2566EB448832FAA163BA76CA; accessed 2021-10-17

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