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PalDat - Palynological Database

an online publication on recent pollen

Dendrobium tetragonum

Taxonomy: Angiospermae, Asparagales, Orchidaceae, Dendrobium

Published: 2016-11-07

Pollen Description

Shape, Size and Aperture

pollen unit: pollinium,  dispersal unit and peculiarities: pollinium,  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: psilate,  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

flower(s)

1. flower(s)

flower(s)

2. flower(s)

pollinium

3. pollinium

pollinium

4. pollinium

pollinium surface

5. pollinium surface

tetrads (forming pollinium)

6. tetrads (forming pollinium)

tetrads (forming pollinium)

7. tetrads (forming pollinium)

exine surface

8. exine surface

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. flower(s), photographer: Svojtka, M.
  3. pollinium - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  4. pollinium - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  5. pollinium surface - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  6. tetrads (forming pollinium) - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  7. tetrads (forming pollinium) - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  8. exine surface - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.

Literature

    Copyright and Citation

    Cite this publication as:

    Svojtka M. 2016. Dendrobium tetragonum. In: PalDat - A palynological database. https://www.paldat.org/pub/Dendrobium_tetragonum/302005;jsessionid=6783DF2A87A4DCF3680A2CB70951F149; accessed 2018-11-17

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