Pseudodracontium siamense
Taxonomy: Angiospermae, Alismatales, Araceae, Pseudodracontium
Published: 2016-11-03
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): -, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): -, longest diameter in equatorial or polar view (LM): -, pollen class: plicate, polarity: heteropolar, P/E-ratio: oblate, shape: -, outline in polar view: elliptic, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): no suitable term, outline in polar view (dry pollen): no suitable term, infoldings (dry pollen): no suitable term, aperture number: none, aperture type: no aperture, aperture condition: inaperturate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: -, suprasculpture SEM: -, TEM tectum: -, infratectum: absent, foot layer: absent, endexine: spongy-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, cell number: -, Ubisch bodies: absent
Annotations: ornamentation elements not resistant to acetolysis
Author(s) of diagnosis: Weber, Martina; Halbritter, Heidemarie
Pictures
1. hydrated pollen
2. equatorial view
3. pollen surface
4. pollen surface
5. dry pollen grains
6. pollen grain in cross section
7. pollen wall
Picture legend
- hydrated pollen - 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.
- pollen surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- pollen 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 grain in cross section - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
- pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, 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. 2016. Pseudodracontium siamense. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Pseudodracontium_siamense/301843; accessed 2025-04-27