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PalDat - Palynological Database

an online publication on recent pollen

Rumex obtusifolius

Taxonomy: Angiospermae, Caryophyllales, Polygonaceae, Rumex

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Rumex-obtusifolius.htm

Published: 2021-02-01

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): 31-35 µm,  shortest polar axis in equatorial view (LM): 31-35 µm,  longest polar axis in equatorial view (LM): 31-35 µm,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: isodiametric,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: 3,  aperture type: colporus,  aperture condition: tricolporate, colporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: 3-celled,  Ubisch bodies: present

Author(s) of diagnosis: Sam, Saskia; Auer, Waltraud

Pictures

flowers of Rumex obtusifolius

1. flowers of Rumex obtusifolius

pollen grain with generative cell and vegetative nucleus

2. pollen grain with generative cell and vegetative nucleus

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

hydrated pollen

6. hydrated pollen

hydrated pollen

7. hydrated pollen

hydrated pollen

8. hydrated pollen

interapertural area of pollen wall

9. interapertural area of pollen wall

apertural area of pollen wall

10. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

11. pollen wall at transition of aperture and interapertural area

vegetative nucleus (left) and generative cell

12. vegetative nucleus (left) and generative cell

Ubisch bodies on inner anther wall

13. Ubisch bodies on inner anther wall

Picture legend

  1. flowers of Rumex obtusifolius, photographer: Sam, S.
  2. pollen grain with generative cell and vegetative nucleus - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  3. upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  4. optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
  5. lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  6. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  7. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  8. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  9. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  10. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  11. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  12. vegetative nucleus (left) and generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
  13. Ubisch bodies on inner anther wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.

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:

Sam S., Auer W. 2021. Rumex obtusifolius. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Rumex_obtusifolius/305151; accessed 2025-04-28

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