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PalDat - Palynological Database

an online publication on recent pollen

Bessera elegans

Taxonomy: Angiospermae, Asparagales, Amaryllidaceae, Bessera

Published: 2016-09-15

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): very large (>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: sulcate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: reticulate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

polar distal view (oblique)

3. polar distal view (oblique)

polar proximal view

4. polar proximal view

equatorial view

5. equatorial view

equatorial view

6. equatorial view

sulcus border

7. sulcus border

sulcus border (apex)

8. sulcus border (apex)

exine surface

9. exine surface

exine surface

10. exine surface

dry pollen grains

11. dry pollen grains

Ubisch bodies on inner anther wall

12. Ubisch bodies on inner anther wall

detail of Ubisch bodies

13. detail of Ubisch bodies

Picture legend

  1. flower(s), photographer: Buchner, R.
  2. flower(s), photographer: Buchner, R.
  3. polar distal view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar proximal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. sulcus border - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. sulcus border (apex) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  12. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. detail of Ubisch bodies - fresh, rehydration (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., Buchner R. 2016. Bessera elegans. In: PalDat - A palynological database. https://www.paldat.org/pub/Bessera_elegans/301398;jsessionid=60AB7F9336B07A097F9A8CFFDCE3235F; accessed 2024-04-18

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