Juncus jacquinii
Taxonomy: Spermatophyta, Juncales, Juncaceae, Juncus
Published: 2005-06-01
Pollen Description
Shape, Size and Aperture
pollen unit: tetrad, dispersal unit and peculiarities: tetrad, 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): oblate, shape (dry pollen): -, outline in polar view (dry pollen): circular, infoldings (dry pollen): -, aperture number: 1, aperture type: -, aperture condition: ulcerate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: -, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Annotations: Tetrads are tetrahedral.
Author(s) of diagnosis: Svojtka, M.; Halbritter, H.
Pictures
Picture legend
- flower(s), photographer: Svojtka, M.
- hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture detail - 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 tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Svojtka M., Halbritter H. 2005. Juncus jacquinii. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Juncus_jacquinii/101486;jsessionid=DD8BD929C8D7A293F5690F8252798BD6; accessed 2025-01-26