Dendrobium tetragonum
Taxonomy: Angiospermae, Asparagales, Orchidaceae, Dendrobium
Published: 2016-11-07
Pollen Description
Shape, Size and Aperture
pollen unit: pollinium, dispersal unit and peculiarities: pollinium, size (pollen unit): very large (>100 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: -, polarity: heteropolar, P/E-ratio: -, shape: irregular, outline in polar view: irregular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): irregular, outline in polar view (dry pollen): irregular, infoldings (dry pollen): irregularly infolded, aperture number: none, aperture type: no aperture, aperture condition: inaperturate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: psilate, 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: Svojtka, Matthias
Pictures
Picture legend
- flower(s), photographer: Svojtka, M.
- flower(s), photographer: Svojtka, M.
- pollinium - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- pollinium - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- pollinium surface - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- tetrads (forming pollinium) - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- tetrads (forming pollinium) - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- exine surface - fixed, formaldehyde & critical point dried & sputter coated with gold, photographer: Svojtka, M.
Literature
Copyright and Citation
Cite this publication as:
Svojtka M. 2016. Dendrobium tetragonum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Dendrobium_tetragonum/302005;jsessionid=4EA9E8D3DDDB1B9647E890782E6DACD5; accessed 2025-01-10