Larix decidua
Taxonomy: Gymnospermae, Pinales, Pinaceae, Larix
Published: 2019-01-24
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): large (51-100 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: inaperturate, polarity: heteropolar, P/E-ratio: -, shape: -, outline in polar view: elliptic, 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: 1, aperture type: leptoma, aperture condition: -, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: granulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: impression mark, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
Annotations: shape in hydrated condition: ovoid to spheroidal
Author(s) of diagnosis: Halbritter, Heidemarie; Weber, Martina
Pictures
Picture legend
- male cone(s), photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- slightly oblique polar view (proximal) - 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.
- 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.
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:
Halbritter H., Weber M. 2019. Larix decidua. In: PalDat - A palynological database. https://www.paldat.org/pub/Larix_decidua/303400; accessed 2024-11-10