Onosma visianii
Taxonomy: Angiospermae, unplaced, Boraginaceae, Onosma
Published: 2016-11-17
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): small (10-25 µm), pollen class: synaperturate, polarity: heteropolar, shape: prolate, outline in polar view: triangular, shape (dry pollen): prolate, outline in polar view (dry pollen): triangular, infoldings (dry pollen): not infolded, aperture number: 3, aperture type: colporus, aperture condition: colporate, tricolporate, aperture peculiarities: aperture membrane ornamented, synaperturate
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, perforate, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
Author(s) of diagnosis: Halbritter, HeidemariePictures
1. flower(s)
2. polar view
3. polar view
4. equatorial view
5. exine surface
6. dry pollen
7. dry pollen
Picture legend
- flower(s), photographer: Halbritter, H.
- 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. 2016. Onosma visianii. In: PalDat - A palynological database. https://www.paldat.org/pub/Onosma_visianii/302285;jsessionid=4E8D01378D3E0856A8D2C1E07FE313B5; accessed 2019-02-20