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PalDat - Palynological Database

an online publication on recent pollen

Bromelia grandiflora

Taxonomy: Angiospermae, Poales, Bromeliaceae, Bromelia

Published: 2016-01-22

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 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, porate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: number varies,  aperture type: -,  aperture condition: porate, sulcate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate, microreticulate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: aperture condition diporate to sulcate, shape hydrated oblate to spheroidal

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen grains

1. hydrated pollen grains

polar distal view (sulcate grain)

2. polar distal view (sulcate grain)

polar proximal view

3. polar proximal view

polar distal view (sulcate grain)

4. polar distal view (sulcate grain)

polar distal view

5. polar distal view

polar distal view (diporate grain)

6. polar distal view (diporate grain)

equatorial view

7. equatorial view

equatorial view

8. equatorial view

detail of sulcus

9. detail of sulcus

aperture (porus)

10. aperture (porus)

exine surface

11. exine surface

exine surface

12. exine surface

dry pollen grains

13. dry pollen grains

Picture legend

  1. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. polar distal view (sulcate grain) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar proximal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar distal view (sulcate grain) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar distal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar distal view (diporate grain) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. detail of sulcus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. aperture (porus) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2016. Bromelia grandiflora. In: PalDat - A palynological database. https://www.paldat.org/pub/Bromelia_grandiflora/300323;jsessionid=EA6F932A2D55E7E86EB25FBB41F3407B; accessed 2024-04-27

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