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PalDat - Palynological Database

an online publication on recent pollen

Portea silveirae

Taxonomy: Angiospermae, Poales, Bromeliaceae, Portea

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: -,  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: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: aperture membrane smooth, pantoaperturate

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate,  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

hydrated pollen grain

2. hydrated pollen grain

hydrated pollen grain

3. hydrated pollen grain

aperture

4. aperture

exine surface

5. exine surface

dry pollen grains

6. dry pollen grains

Picture legend

  1. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated pollen grain - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated pollen grain - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2016. Portea silveirae. In: PalDat - A palynological database. https://www.paldat.org/pub/Portea_silveirae/300328;jsessionid=287F7F3BF7BD80F1931FF038C84C5A3C; accessed 2018-11-20

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