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PalDat - Palynological Database

an online publication on recent pollen

Oenothera fruticosa

Taxonomy: Angiospermae, Myrtales, Onagraceae, Oenothera

Published: 2016-12-02

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): very large (>100 µm),  pollen class: porate,  polarity: heteropolar,  shape: oblate,  outline in polar view: triangular,  shape (dry pollen): oblate,  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: aperture membrane ornamented, annulus

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: 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 arise from proximal face

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

hydrated pollen grains

3. hydrated pollen grains

polar view

4. polar view

aperture

5. aperture

aperture

6. aperture

exine surface

7. exine surface

polar area (proximal)

8. polar area (proximal)

viscin threads

9. viscin threads

dry pollen grains

10. dry pollen grains

Picture legend

  1. flower(s), photographer: Buchner, R.
  2. flower(s), photographer: Buchner, R.
  3. hydrated pollen grains - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. polar area (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. viscin threads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grains - 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., Buchner R. 2016. Oenothera fruticosa. In: PalDat - A palynological database. https://www.paldat.org/pub/Oenothera_fruticosa/302631;jsessionid=0AD9E7DDC430CB15D19448006A392C7B; accessed 2018-11-15

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