Nelumbo nucifera
Taxonomy: Angiospermae, Proteales, Nelumbonaceae, Nelumbo
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): 51-100 µm, shortest polar axis in equatorial view (LM): 51-100 µm, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 51-100 µm, longest diameter in equatorial or polar view (LM): 51-100 µm, pollen class: colpate, 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: colpus, aperture condition: tricolpate, colpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: verrucate, gemmate, scabrate, nexine: -, sexine: -, SEM ornamentation SEM: fossulate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: spongy-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, cell number: -, Ubisch bodies: -
Author(s) of diagnosis: Weber, Martina; Halbritter, Heidemarie; Heigl, Helmut; Auer, Waltraud
Pictures
1. habitus
2. flower(s)
3. flower(s)
4. multiple fruit of Nelumbo nucifera
5. hydrated Pollen
6. hydrated Pollen
7. hydrated Pollen
8. polar view
9. detail of aperture
10. exine surface
11. dry pollen grains
12. pollen wall
13. pollen wall
14. generative cell
Picture legend
- habitus, photographer: Buchner, R.
- flower(s), photographer: Buchner, R.
- flower(s), photographer: Buchner, R.
- multiple fruit of Nelumbo nucifera, photographer: Buchner, R.
- 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 - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- detail of aperture - 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 grains - dry, sputter coated with gold, photographer: Halbritter, H.
- pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Weber, M.
- pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
- generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
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:
Weber M., Halbritter H., Heigl H., Auer W., Buchner R. 2021. Nelumbo nucifera. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Nelumbo_nucifera/306287; accessed 2025-04-27