Cunninghamia lanceolata
Taxonomy: Gymnospermae, Pinales, Cupressaceae, Cunninghamioideae, Cunninghamia
Published: 2020-02-24
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: -, polarity: heteropolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): cup-shaped, outline in polar view (dry pollen): irregular, infoldings (dry pollen): aperture(s) sunken, aperture number: 1, aperture type: leptoma, aperture condition: -, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: present, sexine: present, SEM ornamentation SEM: microechinate, rugulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: papilla, adhering Ubisch bodies, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Author(s) of diagnosis: Halbritter, Heidemarie; Bouchal, Johannes Martin
Pictures
1. flower(s)
2. flower(s)
3. polar view
4. polar view
5. polar view
6. polar distal view (oblique)
7. polar proximal view
8. equatorial view
9. papilla
10. exine surface
11. dry pollen grains
12. Ubisch bodies on inner anther wall
13. polar proximal view
14. adhering Ubisch bodies
15. polar distal view
16. polar distal view, aperture detail
17. polar distal view
18. equatorial view, exine surface
Picture legend
- flower(s), photographer: Halbritter, H.
- flower(s), photographer: Halbritter, H.
- polar view - dry, acetolyzed & glycerine, unstained, photographer: Bouchal, J.
- polar view - dry, acetolyzed & glycerine, unstained, photographer: Bouchal, J.
- polar view - dry, acetolyzed & glycerine, unstained, photographer: Bouchal, J.
- polar distal view (oblique) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar proximal view - 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.
- papilla - 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 - fresh, sputter coated with gold, photographer: Halbritter, H.
- Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar proximal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- adhering Ubisch bodies - dry, critical point dried & sputter coated with gold, photographer: Bouchal, J.
- polar distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- polar distal view, aperture detail - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bouchal, J.
- polar distal view - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
- equatorial view, exine surface - dry, acetolyzed & ethanol (70 %) & sputter coated with gold, photographer: Bouchal, J.
Literature
- (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
- (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
- (1990) Exine formation in Cunninghamia lanceolata (Taxodiaceae) Review of Palaeobotany and Palynology 64: 175–179
- (1998) Pollen ontogeny and its wall formation in Cunninghamia lanceolata. Grana 37: 343–351
Copyright and Citation
Cite this publication as:
Halbritter H., Bouchal J. 2020. Cunninghamia lanceolata. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Cunninghamia_lanceolata/303647;jsessionid=EC4679BFCE9046ADA2A12B1273FC6B40; accessed 2025-01-25