Asystasia gangetica
Taxonomy: Angiospermae, Lamiales, Acanthaceae, Asystasia
Published: 2021-03-22
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): 16-20 µm, 21-25 µm, shortest polar axis in equatorial view (LM): 16-20 µm, longest polar axis in equatorial view (LM): 31-35 µm, shortest diameter in equatorial or polar view (LM): 16-20 µm, longest diameter in equatorial or polar view (LM): 21-25 µm, pollen class: colporate, polarity: isopolar, P/E-ratio: prolate, shape: -, outline in polar view: triangular, dominant orientation (LM): equatorial, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): triangular, infoldings (dry pollen): aperture(s) sunken, aperture number: 2, aperture type: colporus, aperture condition: colporate, tricolporate, aperture peculiarities: aperture membrane ornamented, planaperturate
Ornamentation and Structure
LM ornamentation LM: scabrate, gemmate, verrucate, nexine: -, sexine: -, SEM ornamentation SEM: perforate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut
Pictures
1. flower(s)
2. hydrated pollen
3. hydrated pollen
4. hydrated pollen
5. polar view
6. equatorial view
7. equatorial view
8. aperture
9. aperture
10. exine surface
11. polar area
12. dry pollen
13. Ubisch bodies on locule wall
Picture legend
- flower(s), photographer: Weis, B.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, 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.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
- Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & 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., Heigl H., Weis B. 2021. Asystasia gangetica. In: PalDat - A palynological database. https://www.paldat.org/pub/Asystasia_gangetica/305672; accessed 2024-11-10