Gentiana bavarica
Taxonomy: Angiospermae, Gentianales, Gentianaceae, Gentiana
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Gentiana-bavarica.htm
Published: 2021-06-23
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): medium-sized (26-50 µm), size of hydrated pollen (LM): 31-35 µm, 36-40 µm, shortest polar axis in equatorial view (LM): 31-35 µm, longest polar axis in equatorial view (LM): 31-35 µm, shortest diameter in equatorial or polar view (LM): 36-40 µm, longest diameter in equatorial or polar view (LM): 36-40 µm, pollen class: colporate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, 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
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Author(s) of diagnosis: Svojtka, M.; Halbritter, Heidemarie; Auer, Waltraud
Pictures
1. flowers of Gentiana bavarica
2. stem leaves and flower
3. hydrated pollen
4. hydrated pollen
5. hydrated pollen
6. hydrated pollen
7. polar view
8. oblique polar view
9. equatorial view
10. equatorial view
11. oblique equatorial view
12. aperture
13. aperture
14. exine surface
15. exine surface
16. polar area
17. polar area
18. dry pollen grains
Picture legend
- flowers of Gentiana bavarica, photographer: Svojtka, M.
- stem leaves and flower, photographer: Sonnleitner, M.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar view - fresh, DMP & critical point dried, photographer: Halbritter, H.
- oblique polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, DMP & critical point dried, photographer: Halbritter, H.
- equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- oblique equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
- aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - fresh, DMP & critical point dried, photographer: Halbritter, H.
- dry pollen grains - dry, photographer: Halbritter, H.
Literature
- (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., Auer W., Sonnleitner M. 2021. Gentiana bavarica. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Gentiana_bavarica/306226;jsessionid=5F8220EC49C51FA146A789E014D3ED9B; accessed 2025-01-25