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PalDat - Palynological Database

an online publication on recent pollen

Vriesea hieroglyphica

Taxonomy: Angiospermae, Poales, Bromeliaceae, Vriesea

Published: 2016-03-23

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 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,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  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: aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: reticulate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen grains

1. hydrated pollen grains

polar distal view

2. polar distal view

polar proximal view

3. polar proximal view

equatorial view

4. equatorial view

equatorial view (oblique)

5. equatorial view (oblique)

detail of sulcus

6. detail of sulcus

exine surface

7. exine surface

dry pollen grains

8. dry pollen grains

Ubisch bodies on inner anther wall

9. Ubisch bodies on inner anther wall

Picture legend

  1. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. polar distal view - 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. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. detail of sulcus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  9. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & 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. 2016. Vriesea hieroglyphica. In: PalDat - A palynological database. https://www.paldat.org/pub/Vriesea_hieroglyphica/300710; accessed 2024-11-10

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