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PalDat - Palynological Database

an online publication on recent pollen

Ranunculus glacialis

Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Ranunculus

Published: 2016-10-21

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colpate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: echinate,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, perforate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Annotations

pollen size small to medium

Author(s) of diagnosis: Auer, Angelika; Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

flower of Ranunculus glacialis

2. flower of Ranunculus glacialis

polar view (proximal)

3. polar view (proximal)

optical section

4. optical section

polar view (distal)

5. polar view (distal)

generative cell (asterisk) and vegetative nucleus

6. generative cell (asterisk) and vegetative nucleus

polar view

7. polar view

polar view

8. polar view

equatorial view

9. equatorial view

equatorial view

10. equatorial view

aperture

11. aperture

detail of colpus membrane

12. detail of colpus membrane

exine surface

13. exine surface

exine surface

14. exine surface

polar area

15. 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

Ubisch bodies on inner anther wall

19. Ubisch bodies on inner anther wall

interapertural area of pollen wall, intine (I), endexine (E)

20. interapertural area of pollen wall, intine (I), endexine (E)

apertural area of pollen wall, intine (I), endexine (E)

21. apertural area of pollen wall, intine (I), endexine (E)

pollen wall (bottom) and tapetum cells with Ubisch bodies (U)

22. pollen wall (bottom) and tapetum cells with Ubisch bodies (U)

Picture legend

  1. flower(s), photographer: Kohler, R.
  2. flower of Ranunculus glacialis, photographer: Auer, A.
  3. polar view (proximal) - fresh, acetolyzed, unstained, photographer: Auer, A.
  4. optical section - fresh, acetolyzed, unstained, photographer: Auer, A.
  5. polar view (distal) - fresh, acetolyzed, unstained, photographer: Auer, A.
  6. generative cell (asterisk) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Auer, A.
  7. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  8. polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  11. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. detail of colpus membrane - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  13. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  15. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  17. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Auer, A.
  18. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Auer, A.
  19. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  20. interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.
  21. apertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.
  22. pollen wall (bottom) and tapetum cells with Ubisch bodies (U) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.

Literature

  • 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:

Auer A., Halbritter H., Kohler R. 2016. Ranunculus glacialis. In: PalDat - A palynological database. https://www.paldat.org/pub/Ranunculus_glacialis/301688;jsessionid=BB32E734E5E02198DC98777FEF91A8E9; accessed 2018-11-13

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