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PalDat - Palynological Database

an online publication on recent pollen

Spiranthes cernua

Taxonomy: Angiospermae, Asparagales, Orchidaceae, Spiranthes

Published: 2016-11-07

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: pollinarium,  size (pollen unit): medium-sized (26-50 µm),  pollen class: tetrad,  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: reticulate,  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)

pollinarium

2. pollinarium

pollinia

3. pollinia

tetrads (forming pollinium)

4. tetrads (forming pollinium)

tetrads

5. tetrads

exine surface

6. exine surface

caudicula

7. caudicula

detail of caudicula

8. detail of caudicula

viscidium

9. viscidium

Picture legend

  1. flower(s), photographer: Speckmaier, M.
  2. pollinarium - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  3. pollinia - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  4. tetrads (forming pollinium) - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  5. tetrads - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  6. exine surface - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  7. caudicula - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  8. detail of caudicula - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
  9. viscidium - dry, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.

Literature

    Copyright and Citation

    Cite this publication as:

    Svojtka M., Speckmaier M. 2016. Spiranthes cernua. In: PalDat - A palynological database. https://www.paldat.org/pub/Spiranthes_cernua/302003;jsessionid=5FD2CF535A7514252C6198CEA513BEE3; accessed 2018-11-15

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