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PalDat - Palynological Database

an online publication on recent pollen

Aechmea caudata

Taxonomy: Angiospermae, Poales, Bromeliaceae, Aechmea

Published: 2016-11-08

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: isopolar,  shape: oblate,  outline in polar view: elliptic,  shape (dry pollen): oblate,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 2,  aperture type: porus,  aperture condition: porate, diporate,  aperture peculiarities: aperture membrane smooth

Ornamentation and Structure

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


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

Author(s) of diagnosis: Halbritter, Heidemarie


hydrated pollen grains

1. hydrated pollen grains

hydrated pollen grain

2. hydrated pollen grain


3. aperture

exine surface

4. exine surface

dry pollen grains

5. dry pollen grains

Picture legend

  1. hydrated pollen grains - fresh, DMP & critical point dried, photographer: Halbritter, H.
  2. hydrated pollen grain - fresh, DMP & critical point dried, photographer: Halbritter, H.
  3. aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
  4. exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
  5. dry pollen grains - dry, photographer: Halbritter, H.


  • 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. 2016. Aechmea caudata. In: PalDat - A palynological database.;jsessionid=7DC6F9AED338754A87972196D15940E2; accessed 2018-11-20

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