Forgot your password?
 
 
PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Ranunculus ficaria

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

Miscellaneous

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

Annotations

cellular condition also 3-cellular (in mature anthers)

Author(s) of diagnosis: Oberschneider, Wolfgang

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

polar view

6. polar view

equatorial view

7. equatorial view

detail of aperture

8. detail of aperture

exine surface

9. exine surface

polar view of dry pollen grain

10. polar view of dry pollen grain

dry pollen grain

11. dry pollen grain

interapertural area of pollen wall

12. interapertural area of pollen wall

aperture

13. aperture

generative cell (left) and vegetative nucleus

14. generative cell (left) and vegetative nucleus

pollen wall and tapetum cells with Ubisch bodies (asterisk)

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

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. flower(s), photographer: Svojtka, M.
  3. upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  4. optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  5. lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  6. polar view - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  7. equatorial view - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  8. detail of aperture - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  9. exine surface - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  10. polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
  11. dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
  12. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
  13. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
  14. generative cell (left) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
  15. pollen wall and tapetum cells with Ubisch bodies (asterisk) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180

Copyright and Citation

Cite this publication as:

Oberschneider W., Svojtka M. 2016. Ranunculus ficaria. In: PalDat - A palynological database. https://www.paldat.org/pub/Ranunculus_ficaria/301728;jsessionid=A17DC8DA5C7453A0F79E8B112438FE3F; accessed 2018-11-13

Previous Publications