Taxodium distichum
Taxonomy: Gymnospermae, Pinales, Cupressaceae, Taxodioideae, Taxodium
Published: 2021-08-02
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): 21-25 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 21-25 µm, longest diameter in equatorial or polar view (LM): 21-25 µm, pollen class: -, polarity: heteropolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): -, shape (dry pollen): irregular, outline in polar view (dry pollen): irregular, infoldings (dry pollen): -, aperture number: 1, aperture type: leptoma, aperture condition: -, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: scabrate, verrucate, gemmate, nexine: present, sexine: present, SEM ornamentation SEM: microechinate, fossulate, microverrucate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: adhering Ubisch bodies, papilla, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Author(s) of diagnosis: Bouchal, Johannes Martin; Auer, Waltraud
Pictures
1. hydrated Pollen
2. hydrated Pollen
3. hydrated Pollen
4. distal view
5. equatorial view
6. equatorial view
7. equatorial view, exine surface
8. distal view
9. distal view, exine surface, papilla
10. distal view, exine surface
Picture legend
- hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- equatorial view, exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- distal view - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
- distal view, exine surface, papilla - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
- distal view, exine surface - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
Literature
- (1988) The pollen of Taxodiaceae and its peculiarities Metsniereba
- (2020) Low taxonomic resolution of papillate Cupressaceae pollen (former Taxodiaceae) impairs their applicability for palaeo-habitat reconstruction Grana 59
Copyright and Citation
Cite this publication as:
Bouchal J., Auer W. 2021. Taxodium distichum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Taxodium_distichum/306421;jsessionid=0EC6A0E366C00572BC136DD3EA868791; accessed 2025-01-10