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PalDat - Palynological Database

an online publication on recent pollen

Aesculus hippocastanum

Taxonomy: Angiospermae, Sapindales, Sapindaceae, Aesculus

Published: 2016-08-05

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: colporate,  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: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: scabrate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: striate, perforate,  suprasculpture SEM: -,  TEM  tectum: 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

Author(s) of diagnosis: Halbritter, Heidemarie; Sam, Saskia

Pictures

flowers of Aesculus hippocastanum

1. flowers of Aesculus hippocastanum

flowers of Aesculus hippocastanum

2. flowers of Aesculus hippocastanum

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

pollen grain with generative cell

6. pollen grain with generative cell

polar view

7. polar view

equatorial view

8. equatorial view

aperture

9. aperture

exine surface

10. exine surface

detail of polar area

11. detail of polar area

dry pollen grains

12. dry pollen grains

slightly oblique polar view of dry pollen grain

13. slightly oblique polar view of dry pollen grain

dry pollen grain in equatorial view

14. dry pollen grain in equatorial view

interapertural area of pollen wall

15. interapertural area of pollen wall

interapertural area of pollen wall

16. interapertural area of pollen wall

apertural area of pollen wall

17. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

18. pollen wall at transition of aperture and interapertural area

generative cell (left) and vegetative nucleus (right)

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

Picture legend

  1. flowers of Aesculus hippocastanum, photographer: Sam, S.
  2. flowers of Aesculus hippocastanum, photographer: Halbritter, H.
  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. pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  7. polar view - fresh, DMP & critical point dried, photographer: Halbritter, H.
  8. equatorial view - fresh, DMP & critical point dried, photographer: Halbritter, H.
  9. aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
  10. exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
  11. detail of polar area - fresh, DMP & critical point dried, photographer: Halbritter, H.
  12. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  13. slightly oblique polar view of dry pollen grain - dry, sputter coated with gold, photographer: Sam, S.
  14. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Sam, S.
  15. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  16. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Sam, S.
  17. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  18. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  19. generative cell (left) and vegetative nucleus (right) - 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
  • Hyde HA, Adams KF (1958) An atlas of airborne pollen grains. Macmillan & Co Ltd, London I-XVI: 1-112
  • Lewis WH, Vinay P, Zenger VE (1983) Airborne and allergenic pollen of North America. The John Hopkins Univ Press, Baltimore : 254 pp
  • Nair PKK (1965) Pollen grains of Western Himalayan Plants. Asia Monographs, India 1 VIII: 1-102
  • Nakamura J (1943) Diagnostic characters of pollen grains. Sci Rep Tôhuku Univ, 4th ser 17: 491-512
  • 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:

Halbritter H., Sam S. 2016. Aesculus hippocastanum. In: PalDat - A palynological database. https://www.paldat.org/pub/Aesculus_hippocastanum/301278;jsessionid=FBDC592B944152BEA7F2A9B3E8FE8DCF; accessed 2024-04-19

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