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): 26-30 µm, 21-25 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: tricolporate, colporate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: striate, nexine: -, sexine: -, SEM ornamentation SEM: perforate, striate, 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
Annotations: shape hydrated prolate to spheroidal
Author(s) of diagnosis: Sam, Saskia; Heigl, Helmut
Pictures
1. inflorescence of Aesculus carnea
2. flowers of Aesculus carnea
3. upper focus
4. optical section
5. lower focus
6. vegetative nucleus and generative cell
7. hydrated pollen
8. hydrated pollen
9. hydrated pollen
10. polar view
11. equatorial view
12. slightly oblique equatorial view
13. aperture
14. exine surface
15. detail of polar area
16. dry pollen grains
17. polar view (dry pollen grain)
18. dry pollen grain in equatorial view
19. anther wall with Ubisch bodies
20. interapertural area of pollen wall
21. interapertural area of pollen wall
22. apertural area of pollen wall
23. apertural area of pollen wall
24. pollen wall at transition of aperture and interapertural area
25. generative cell (left) and vegetative nucleus
Picture legend
- inflorescence of Aesculus carnea, photographer: Sam, S.
- flowers of Aesculus carnea, photographer: Sam, S.
- upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
- optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
- lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
- vegetative nucleus and generative cell - fresh, unfixed, aceto-carmine, photographer: Sam, S.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- polar view - fresh, DMP & critical point dried, photographer: Sam, S.
- equatorial view - fresh, DMP & critical point dried, photographer: Sam, S.
- slightly oblique equatorial view - fresh, DMP & critical point dried, photographer: Sam, S.
- aperture - fresh, DMP & critical point dried, photographer: Sam, S.
- exine surface - fresh, DMP & critical point dried, photographer: Sam, S.
- detail of polar area - fresh, DMP & critical point dried, photographer: Sam, S.
- dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
- polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Sam, S.
- dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Sam, S.
- anther wall with Ubisch bodies - fresh, DMP & critical point dried & sputter coated with gold, photographer: Sam, S.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Sam, S.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Sam, S.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- generative cell (left) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
Literature
- (1963) The genera of Sapindales in the southeastern United States. J Arn Arb 44: 462-501
- (1984) The Northwest European Pollen Flora 34. Hippocastanaceae. Rev Palaeobot Palynol 42: 111-119
- (1979) Pollen morphology and microsporogenesis in Hippocastanaceae. Diss Abstr Int B 40: 562 pp
- (1983) Airborne and allergenic pollen of North America. The John Hopkins Univ Press, Baltimore : 254 pp
- (1977) Atlas of airborne pollen grains and spores in Northern Europe. Natur Och Kultur, Stockholm : 159 pp
- (1963) Contributie la cunoasterea structurii morfologice a microsporilor Hippocastanaceelor si Sapindaceelor din Flora R.P.R. Anal Univ Buc Sér Biol 12: 31-36
- (1994) Exkursionsflora von Österreich : 1180
- (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://pc8.botanik.univie.ac.at/pub/Aesculus_carnea/305951;jsessionid=CF5AB9F40BDEBCE92C98A065BADF8EF6; accessed 2025-01-10