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PalDat - Palynological Database

an online publication on recent pollen

Nigritella widderi

Taxonomy: Angiospermae, Asparagales, Orchidaceae, Nigritella

Published: 2016-11-07

Pollen Description

Shape, Size and Aperture

pollen unit: massula,  dispersal unit and peculiarities: pollinarium,  size (pollen unit): very large (>100 µm),  pollen class: -,  polarity: heteropolar,  shape: irregular,  outline in polar view: irregular,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: no suitable term,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Svojtka, Matthias

Pictures

inflorescence(s)

1. inflorescence(s)

pollinarium

2. pollinarium

massulae (forming pollinium)

3. massulae (forming pollinium)

massulae

4. massulae

massula

5. massula

tetrads (forming massula)

6. tetrads (forming massula)

tetrad (in massula)

7. tetrad (in massula)

exine surface

8. exine surface

Picture legend

  1. inflorescence(s), photographer: Svojtka, N.
  2. pollinarium - dry, sputter coated with gold, photographer: Svojtka, M.
  3. massulae (forming pollinium) - dry, sputter coated with gold, photographer: Svojtka, M.
  4. massulae - dry, sputter coated with gold, photographer: Svojtka, M.
  5. massula - dry, sputter coated with gold, photographer: Svojtka, M.
  6. tetrads (forming massula) - dry, sputter coated with gold, photographer: Svojtka, M.
  7. tetrad (in massula) - dry, sputter coated with gold, photographer: Svojtka, M.
  8. exine surface - dry, sputter coated with gold, photographer: Svojtka, M.

Literature

    Copyright and Citation

    Cite this publication as:

    Svojtka M., Svojtka N. 2016. Nigritella widderi. In: PalDat - A palynological database. https://www.paldat.org/pub/Nigritella_widderi/302002;jsessionid=7676F151B25F5D43259CEE61816B3653; accessed 2018-11-18

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