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PalDat - Palynological Database

an online publication on recent pollen

Aechmea tomentosa

Taxonomy: Angiospermae, Poales, Bromeliaceae, Aechmea

Published: 2016-01-22

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  pollen class: porate,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 4,  aperture type: porus,  aperture condition: porate, tetraporate,  aperture peculiarities: aperture membrane smooth

Ornamentation and Structure

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

Miscellaneous

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

Annotations

shape hydrated spheroidal to ovoid, a few scattered Ubisch bodies present

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

oblique view

1. oblique view

equatorial view

2. equatorial view

aperture

3. aperture

exine surface

4. exine surface

dry pollen grains

5. dry pollen grains

Ubisch bodies on inner anther wall

6. Ubisch bodies on inner anther wall

Picture legend

  1. oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  6. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2016. Aechmea tomentosa. In: PalDat - A palynological database. https://www.paldat.org/pub/Aechmea_tomentosa/300324;jsessionid=859C1678F46913A972BA434A82B527C5; accessed 2018-11-18

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