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PalDat - Palynological Database

an online publication on recent pollen

Clarkia unguiculata

Taxonomy: Angiospermae, Myrtales, Onagraceae, Clarkia

Published: 2016-10-27

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): aperture(s) sunken,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: annulus

Ornamentation and Structure

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

Miscellaneous

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

Annotations

viscin-threads arising from proximal face only

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

polar view

5. polar view

equatorial view

6. equatorial view

aperture

7. aperture

aperture

8. aperture

exine surface

9. exine surface

polar proximal area with viscin-threads

10. polar proximal area with viscin-threads

viscin-threads

11. viscin-threads

dry pollen

12. dry pollen

dry pollen

13. dry pollen

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. hydrated pollen - 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. 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. aperture - 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. polar proximal area with viscin-threads - 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. dry pollen - dry, 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. 2016. Clarkia unguiculata. In: PalDat - A palynological database. https://www.paldat.org/pub/Clarkia_unguiculata/301507;jsessionid=B05FBB8E123894CB986829271F65E2A2; accessed 2018-11-15