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PalDat - Palynological Database

an online publication on recent pollen

Sequoiadendron giganteum

Taxonomy: Gymnospermae, Pinales, Cupressaceae, Sequoioideae, Sequoiadendron

Published: 2020-02-17

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: -,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): cup-shaped,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: leptoma,  aperture condition: -,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: scabrate,  nexine: present,  sexine: present,  SEMornamentation SEM: microverrucate, microechinate, fossulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: papilla, adhering Ubisch bodies

Miscellaneous

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

Author(s) of diagnosis: Bouchal, Johannes Martin; Denk, Thomas; Halbritter, Heidemarie

Pictures

acetolyzed pollen,equatorial view,hydrated pollen

1. acetolyzed pollen, equatorial view, hydrated pollen

acetolyzed pollen,equatorial view

2. acetolyzed pollen, equatorial view

acetolyzed pollen,polar view

3. acetolyzed pollen, polar view

distal view

4. distal view

equatorial view,exine surface,Ubisch bodies

5. equatorial view, exine surface, Ubisch bodies

equatorial view

6. equatorial view

proximal view

7. proximal view

equatorial view,papilla,Ubisch bodies

8. equatorial view, papilla, Ubisch bodies

distal view,acetolyzed pollen,papilla

9. distal view, acetolyzed pollen, papilla

equatorial view,exine surface,acetolyzed pollen

10. equatorial view, exine surface, acetolyzed pollen

acetolyzed pollen,Ubisch bodies

11. acetolyzed pollen, Ubisch bodies

Picture legend

  1. acetolyzed pollen, equatorial view, hydrated pollen - dry, acetolyzed & rehydrated (water) & glycerine, unstained, photographer: Bouchal, J.
  2. acetolyzed pollen, equatorial view - dry, acetolyzed & glycerine, unstained, photographer: Bouchal, J.
  3. acetolyzed pollen, polar view - dry, acetolyzed & glycerine, unstained, photographer: Bouchal, J.
  4. distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
  5. equatorial view, exine surface, Ubisch bodies - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
  6. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
  7. proximal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
  8. equatorial view, papilla, Ubisch bodies - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
  9. distal view, acetolyzed pollen, papilla - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
  10. equatorial view, exine surface, acetolyzed pollen - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
  11. acetolyzed pollen, Ubisch bodies - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.

Literature

  • Kvavadze EV (1988) The pollen of Taxodiaceae and its peculiarities Metsniereba
  • Bouchal, JM; Denk T. (2020) Low taxonomic resolution of papillate Cupressaceae pollen (former Taxodiaceae) impairs their applicability for palaeo-habitat reconstruction Grana 59

Copyright and Citation

Cite this publication as:

Bouchal J., Denk T., Halbritter H. 2020. Sequoiadendron giganteum. In: PalDat - A palynological database. https://www.paldat.org/pub/Sequoiadendron_giganteum/303691;jsessionid=DD2D9830E69BB280F6DCDB9A8000CC80; accessed 2020-04-07

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