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PalDat - Palynological Database

an online publication on recent pollen

Ludwigia octovalvis

Taxonomy: Angiospermae, Myrtales, Onagraceae, Ludwigia

Published: 2018-01-16

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): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: bridge

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: rugulate,  suprasculpture SEM: -,  TEMtectum: -,  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)

flower(s)

2. flower(s)

hydrated tetrads

3. hydrated tetrads

tetrad

4. tetrad

tetrad

5. tetrad

apertures,bridge

6. apertures, bridge

apertures,bridge

7. apertures, bridge

viscin threads

8. viscin threads

exine surface

9. exine surface

exine surface,viscin thread

10. exine surface, viscin thread

viscin threads

11. viscin threads

connection between monads,viscin threads

12. connection between monads, viscin threads

dry pollen

13. dry pollen

Picture legend

  1. flower(s), photographer: Weis, B.
  2. flower(s), photographer: Weis, B.
  3. hydrated tetrads - 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. tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. apertures, bridge - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. apertures, bridge - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. viscin threads - 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. exine surface, viscin thread - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. viscin threads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. connection between monads, viscin threads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. 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., Weis B. 2018. Ludwigia octovalvis. In: PalDat - A palynological database. https://www.paldat.org/pub/Ludwigia_octovalvis/303149;jsessionid=B35F48B09C99912679B989DD4135025A; accessed 2024-03-29