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PalDat - Palynological Database

an online publication on recent pollen

Deuterocohnia meziana

Taxonomy: Angiospermae, Poales, Bromeliaceae, Deuterocohnia

Published: 2017-03-20

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  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

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, heterobrochate, free-standing columellae,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Annotations

shape in hydrated condition spheroidal to oblate

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

polar distal view

1. polar distal view

polar proximal view

2. polar proximal view

equatorial view

3. equatorial view

equatorial view

4. equatorial view

aperture detail

5. aperture detail

sulcus border

6. sulcus border

exine surface

7. exine surface

dry pollen

8. dry pollen

Picture legend

  1. polar distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. polar proximal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial 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. aperture detail - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. sulcus border - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. 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., Deuterocohnia meziana. In: PalDat (2017-03-20) - a palynological database. Published on the Internet https://www.paldat.org/pub/Deuterocohnia_meziana/303017;jsessionid=3E54AD1E044CC487D8CAB6EC8BAC7090 [accessed 2017-09-22]