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PalDat - Palynological Database

an online publication on recent pollen

Lopezia racemosa

Taxonomy: Angiospermae, Myrtales, Onagraceae, Lopezia

Published: 2020-08-04

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  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: porate,  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: angulaperturate

Ornamentation and Structure

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

Miscellaneous

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

Annotations: viscin threads rising from proximal face only

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

hydrated pollen

3. hydrated pollen

proximal polar view

4. proximal polar view

equatorial view

5. equatorial view

equatorial view

6. equatorial view

aperture

7. aperture

exine surface

8. exine surface

exine surface,viscin threads

9. exine surface, viscin threads

viscin threads

10. viscin threads

polar area,proximal

11. polar area, proximal

dry pollen

12. dry pollen

Ubisch bodies on locule wall

13. Ubisch bodies on locule wall

Picture legend

  1. habitus, photographer: Halbritter, H.
  2. flower(s), photographer: Halbritter, H.
  3. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. proximal polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - 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, viscin threads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. viscin threads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. polar area, proximal - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  13. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & 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. 2020. Lopezia racemosa. In: PalDat - A palynological database. https://www.paldat.org/pub/Lopezia_racemosa/303661;jsessionid=E2C28E371CA7277510DD71F9899D9A69; accessed 2020-10-28