Myriophyllum verticillatum
Taxonomy: Spermatophyta, Haloragales, Haloragaceae, Myriophyllum
Published: 2005-06-01
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: porate, polarity: isopolar, P/E-ratio: oblate, shape: -, 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: 4, aperture type: -, aperture condition: porate, aperture peculiarities: stephanoaperturate, annulus
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: perforate, microgemmate, 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: apertures also elongated resembling short colpi, some pollen grains also with 3 apertures
Author(s) of diagnosis: Svojtka, M.; Halbritter, H.
Pictures
Picture legend
- flower(s), photographer: Svojtka, M.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar view (3-porate) - 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.
- aperture - 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) & sputter coated with gold & critical point dried, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Svojtka M., Halbritter H. 2005. Myriophyllum verticillatum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Myriophyllum_verticillatum/109276; accessed 2025-04-28