Veronica urticifolia
Taxonomy: Spermatophyta, Scrophulariales, Veronicaceae, Veronica
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: -, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): lobate, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colporus, aperture condition: colporate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: striato-reticulate, microreticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Annotations: pollen class: colpate. ornamentation: striato-microreticulate
Author(s) of diagnosis: Svojtka, M.; Halbritter, H.
Pictures
Picture legend
- flowers of Veronica urticifolia, photographer: Svojtka, M.
- polar 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.
- 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.
- polar area - 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
- (1975) The Veronica hederifolia group: taxonomy, ecology, and phylogeny. European Floristic and Taxonomic Studies : 48-60
Copyright and Citation
Cite this publication as:
Svojtka M., Halbritter H. 2005. Veronica urticifolia. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Veronica_urticifolia/113384;jsessionid=06BCC336451E67F3E517303D4DE04D6A; accessed 2025-01-26