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PalDat - Palynological Database

an online publication on recent pollen

Epilobium alsinifolium

Taxonomy: Angiospermae, Myrtales, Onagraceae, Epilobium

Published: 2018-03-13

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): large (51-100 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: tetrad,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: triangular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  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

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microgemmate, microrugulate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: viscin threads,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

hydrated pollen

2. hydrated pollen

tetrad

3. tetrad

incomplete tetrad

4. incomplete tetrad

monad,polar view

5. monad, polar view

aperture

6. aperture

exine surface

7. exine surface

exine surface,viscin thread

8. exine surface, viscin thread

insertion of viscin thread

9. insertion of viscin thread

bridge,connection between monads

10. bridge, connection between monads

dry pollen

11. dry pollen

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. incomplete tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. monad, polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface, viscin thread - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. insertion of viscin thread - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. bridge, connection between monads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. 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., Svojtka M. 2018. Epilobium alsinifolium. In: PalDat - A palynological database. https://www.paldat.org/pub/Epilobium_alsinifolium/303134;jsessionid=01D4EB7F953C48E77C2D8F7D3D48600F; accessed 2024-04-19