Populus tremula
Taxonomy: Spermatophyta, Salicales, Salicaceae, Populus
Published: 2005-06-01
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): -, 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: -, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, 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: -, aperture condition: -, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, microechinate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Annotations: The exine ruptures irregularly when swelling.
Author(s) of diagnosis: Halbritter, H.
Pictures
Picture legend
- hydrated pollen grain - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface (more expanded and ruptured) - fresh, DMP & critical point dried, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Halbritter H. 2005. Populus tremula. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Populus_tremula/112187;jsessionid=D06EA162356D3A227AA0BA3CCDBEF606; accessed 2025-01-10