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PalDat - Palynological Database

an online publication on recent pollen

Aechmea bracteata

Taxonomy: Angiospermae, Poales, Bromeliaceae, Aechmea

Published: 2017-03-09

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 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: number varies,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: pantoaperturate

Ornamentation and Structure

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

Miscellaneous

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

Annotations

number of apertures mostly 4

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen

1. hydrated pollen

hydrated pollen

2. hydrated pollen

aperture

3. aperture

exine surface

4. exine surface

dry pollen

5. dry pollen

Picture legend

  1. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. 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., Aechmea bracteata. In: PalDat (2017-03-09) - a palynological database. Published on the Internet https://www.paldat.org/pub/Aechmea_bracteata/303021;jsessionid=8295A4952FE6C49FC52D6FAD886932DE [accessed 2017-11-20]