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PalDat - Palynological Database

an online publication on recent pollen

Casuarina equisetifolia

Taxonomy: Angiospermae, Fagales, Casuarinaceae, Casuarina

Published: 2020-01-30

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 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: isopolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: annulus

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: rugulate, microechinate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: Shape in hydrated condition: oblate to spheroidal

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

habitus

1. habitus

inflorescence(s)

2. inflorescence(s)

polar view

3. polar view

equatorial view

4. equatorial view

equatorial view

5. equatorial view

oblique view

6. oblique view

aperture

7. aperture

aperture

8. aperture

exine surface

9. exine surface

dry pollen

10. dry pollen

Ubisch bodies on locule wall

11. Ubisch bodies on locule wall

Picture legend

  1. habitus, photographer: Weis, B.
  2. inflorescence(s), photographer: Weis, B.
  3. polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial 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. oblique 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. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  11. 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., Weis B. 2020. Casuarina equisetifolia. In: PalDat - A palynological database. https://www.paldat.org/pub/Casuarina_equisetifolia/303642;jsessionid=699CAC95BE7F5779439B1D693986223C; accessed 2020-09-19