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PalDat - Palynological Database

an online publication on recent pollen

Gentiana bavarica

Taxonomy: Angiospermae, Gentianales, Gentianaceae, Gentiana

Published: 2016-03-12

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colporate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: aperture membrane ornamented

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: absent

Author(s) of diagnosis: Svojtka, M.; Halbritter, Heidemarie

Pictures

flowers of Gentiana bavarica

1. flowers of Gentiana bavarica

stem leaves and flower

2. stem leaves and flower

hydrated pollen

3. hydrated pollen

polar view

4. polar view

oblique polar view

5. oblique polar view

equatorial view

6. equatorial view

equatorial view

7. equatorial view

oblique equatorial view

8. oblique equatorial view

aperture

9. aperture

aperture

10. aperture

exine surface

11. exine surface

exine surface

12. exine surface

polar area

13. polar area

polar area

14. polar area

dry pollen grains

15. dry pollen grains

Picture legend

  1. flowers of Gentiana bavarica, photographer: Svojtka, M.
  2. stem leaves and flower, photographer: Sonnleitner, M.
  3. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar view - fresh, DMP & critical point dried, photographer: Halbritter, H.
  5. oblique polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, DMP & critical point dried, photographer: Halbritter, H.
  7. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. oblique equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
  10. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
  12. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. polar area - fresh, DMP & critical point dried, photographer: Halbritter, H.
  15. dry pollen grains - dry, 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:

Svojtka M., Halbritter H., Sonnleitner M. 2016. Gentiana bavarica. In: PalDat - A palynological database. https://www.paldat.org/pub/Gentiana_bavarica/300606;jsessionid=67044B4FFCE2854A8C934131B9455BBD; accessed 2018-11-20

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