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PalDat - Palynological Database

an online publication on recent pollen

Chelonanthus alatus

Taxonomy: Angiospermae, Gentianales, Gentianaceae, Chelonanthus

Published: 2016-11-15

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: tetrad,  polarity: heteropolar,  P/E-ratio: -,  shape: no suitable term,  outline in polar view: no suitable term,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): no suitable term,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): not infolded,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: reticulate, heterobrochate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated tetrads

1. hydrated tetrads

hydrated tetrad

2. hydrated tetrad

hydrated tetrad

3. hydrated tetrad

hydrated tetrad

4. hydrated tetrad

apertures

5. apertures

apertures

6. apertures

exine surface

7. exine surface

polar area

8. polar area

dry tetrads

9. dry tetrads

Picture legend

  1. hydrated tetrads - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. apertures - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. apertures - 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. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143

Copyright and Citation

Cite this publication as:

Halbritter H. 2016. Chelonanthus alatus. In: PalDat - A palynological database. https://www.paldat.org/pub/Chelonanthus_alatus/302209;jsessionid=9297BC3BAB1D2E12C29F790BD0B9FDED; accessed 2024-05-04

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