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an online publication on recent pollen

Eranthis hyemalis

Taxonomy: Spermatophyta, Ranunculales, Ranunculaceae, Eranthis

Published: 2005-06-01

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: colpate,  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: -,  aperture condition: colpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, 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, lipids,  cell number: 2-celled,  Ubisch bodies: present

Author(s) of diagnosis: Halbritter, H.; Oberschneider, W.

Pictures

flower(s)

1. flower(s)

upper focus

2. upper focus

optical section

3. optical section

lower focus

4. lower focus

generative cell (dark stained, bottom) and vegetative nucleus (top)

5. generative cell (dark stained, bottom) and vegetative nucleus (top)

polar view

6. polar view

equatorial view

7. equatorial view

aperture

8. aperture

exine surface

9. exine surface

polar area

10. polar area

dry pollen grains

11. dry pollen grains

Ubisch bodies in loculus

12. Ubisch bodies in loculus

interapertural area of pollen wall

13. interapertural area of pollen wall

aperture

14. aperture

pollen wall and tapetum cells with Ubisch bodies (asterisks)

15. pollen wall and tapetum cells with Ubisch bodies (asterisks)

Picture legend

  1. flower(s), photographer: Oberschneider, W.
  2. upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  3. optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  4. lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  5. generative cell (dark stained, bottom) and vegetative nucleus (top) - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Oberschneider, W.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  12. Ubisch bodies in loculus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  14. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  15. pollen wall and tapetum cells with Ubisch bodies (asterisks) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.

Literature

  • Oberschneider W (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp

Copyright and Citation

Cite this publication as:

Halbritter H., Oberschneider W. 2005. Eranthis hyemalis. In: PalDat - A palynological database. https://www.paldat.org/pub/Eranthis_hyemalis/110983;jsessionid=B730B7F210B22EF33CB5E6B978E84AF6; accessed 2024-03-29

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