Onosma visianii
Taxonomy: Angiospermae, unplaced, Boraginaceae, Onosma
Links: https://flora.nhm-wien.ac.at/Seiten-Arten/Onosma-visianii.htm
Published: 2022-04-25
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): small (10-25 µm), size of hydrated pollen (LM): 11-15 µm, 16-20 µm, <10 µm, shortest polar axis in equatorial view (LM): 16-20 µm, longest polar axis in equatorial view (LM): 16-20 µm, shortest diameter in equatorial or polar view (LM): <10 µm, longest diameter in equatorial or polar view (LM): 11-15 µm, pollen class: synaperturate, polarity: heteropolar, P/E-ratio: prolate, shape: -, outline in polar view: triangular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): triangular, infoldings (dry pollen): not infolded, aperture number: 3, aperture type: colporus, aperture condition: tricolporate, colporate, aperture peculiarities: synaperturate, aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: perforate, microechinate, 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; Auer, Waltraud
Pictures
1. flower(s)
2. hydrated pollen
3. hydrated pollen, equatorial view
4. hydrated pollen, equatorial view
5. hydrated pollen, equatorial view
6. hydrated pollen
7. hydrated pollen, equatorial view
8. hydrated pollen, equatorial view
9. polar view
10. polar view
11. equatorial view
12. exine surface
13. dry pollen
14. dry pollen
Picture legend
- flower(s), photographer: Halbritter, H.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen, equatorial view - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen, equatorial view - fresh, glycerine, ruthenium red, photographer: Auer, W.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
- dry pollen - dry, sputter coated with gold, 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:
Halbritter H., Auer W. 2022. Onosma visianii. In: PalDat - A palynological database. https://www.paldat.org/pub/Onosma_visianii/306519;jsessionid=236070B1A8CCB680444A9543160E0E71; accessed 2024-04-26