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PalDat - Palynological Database

an online publication on recent pollen

Epilobium obscurum

Taxonomy: Angiospermae, Myrtales, Onagraceae, Epilobium

Published: 2019-05-28

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): very large (>100 µm),  pollen class: tetrad,  polarity: heteropolar,  shape: oblate,  outline in polar view: triangular,  shape (dry pollen): cup-shaped,  outline in polar view (dry pollen): triangular,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: microrugulate, microgemmate, perforate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: viscin threads

Miscellaneous

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

Annotations

viscin threads arising from proximal face only

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

tetrad

3. tetrad

tetrad

4. tetrad

polar view

5. polar view

apertures

6. apertures

apertures

7. apertures

exine surface

8. exine surface

exine surface

9. exine surface

viscin threads and connection between monads

10. viscin threads and connection between monads

viscin thread

11. viscin thread

dry pollen

12. dry pollen

Picture legend

  1. flower(s), photographer: Berger, A.
  2. flower(s), photographer: Berger, A.
  3. tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. apertures - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. apertures - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. viscin threads and connection between monads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. viscin thread - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.

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

Copyright and Citation

Cite this publication as:

Halbritter H., Berger A. 2019. Epilobium obscurum. In: PalDat - A palynological database. https://www.paldat.org/pub/Epilobium_obscurum/303416;jsessionid=4C049EED22977F3F52845305A1F328C4; accessed 2019-06-18