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PalDat - Palynological Database

an online publication on recent pollen

Aconitum napellus

Taxonomy: Spermatophyta, Ranunculales, Ranunculaceae, Aconitum

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: -,  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

LM  ornamentation LM: psilate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: perforate, microechinate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: -,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: Exine forms polar-caps.

Author(s) of diagnosis: Oberschneider, W.

Pictures

flower(s)

1. flower(s)

upper focus

2. upper focus

optical section

3. optical section

lower focus

4. lower focus

polar view

5. polar view

equatorial view

6. equatorial view

detail of aperture

7. detail of aperture

exine surface

8. exine surface

polar view of dry pollen grain

9. polar view of dry pollen grain

dry pollen grain in equatorial view

10. dry pollen grain in equatorial view

pollen wall; interapertural area

11. pollen wall; interapertural area

detail of aperture with ornamented colpus membrane

12. detail of aperture with ornamented colpus membrane

generative cell (asterisk) and vegetative nucleus

13. generative cell (asterisk) and vegetative nucleus

anther wall and tapetum with Ubisch bodies (asterisks)

14. anther wall and tapetum 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. polar view - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  6. equatorial view - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  7. detail of aperture - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  8. exine surface - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  9. polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
  10. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Oberschneider, W.
  11. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  12. detail of aperture with ornamented colpus membrane - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  13. generative cell (asterisk) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
  14. anther wall and tapetum with Ubisch bodies (asterisks) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.

Literature

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Copyright and Citation

Cite this publication as:

Oberschneider W. 2005. Aconitum napellus. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Aconitum_napellus/110827; accessed 2025-04-28

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