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PalDat - Palynological Database

an online publication on recent pollen

Ronnbergia brasiliensis

Taxonomy: Angiospermae, Poales, Bromeliaceae, Ronnbergia

Published: 2016-01-26

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

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen grains

1. hydrated pollen grains

polar distal view

2. polar distal view

polar proximal view (oblique)

3. polar proximal view (oblique)

equatorial view

4. equatorial view

equatorial view

5. equatorial view

aperture

6. aperture

exine surface

7. exine surface

dry pollen grains

8. 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 - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar proximal view (oblique) - 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 - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. aperture - 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.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2016. Ronnbergia brasiliensis. In: PalDat - A palynological database. https://www.paldat.org/pub/Ronnbergia_brasiliensis/300331;jsessionid=C38C25398121AD176F95E596F570B218; accessed 2018-11-17

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