Veronica anagallis-aquatica
Taxonomy: Angiospermae, Lamiales, Plantaginaceae, Veronica
Published: 2016-02-22
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: colpate, 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: colpus, aperture condition: tricolpate, colpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: present, sexine: present, SEM ornamentation SEM: microreticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: bilayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 2-celled, Ubisch bodies: absent
Author(s) of diagnosis: Ulrich, Silvia
Pictures
1. habitus
2. inflorescence(s)
3. inflorescence(s)
4. 2-celled pollen
5. acetolyzed pollen, upper focus
6. acetolyzed pollen, lower focus
7. acetolyzed pollen, optical section
8. hydrated pollen, polar view
9. hydrated pollen, polar view
10. hydrated pollen, equatorial view
11. polar area
12. detail of aperture
13. detail of aperture
14. exine surface
15. dry pollen
16. cross section of pollen grain
17. cross section of pollen wall
18. pollen wall at transition of aperture and interapertural area
19. pollen wall, interapertural area
20. pollen wall, interapertural area
21. pollen wall, interapertural area
22. pollen wall, aperture area
23. cytoplasm with vegetative nucleus, generative cell (below) and organells
24. cytoplasm with generative cell and organells
Picture legend
- habitus, photographer: Ulrich, S.
- inflorescence(s), photographer: Ulrich, S.
- inflorescence(s), photographer: Ulrich, S.
- 2-celled pollen - dry, unfixed, aceto-carmine, photographer: Ulrich, S.
- acetolyzed pollen, upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- acetolyzed pollen, lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- acetolyzed pollen, optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
- hydrated pollen, polar view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
- hydrated pollen, polar view - fresh, rehydration (water) & DMP & critical point dried, photographer: Ulrich, S.
- hydrated pollen, equatorial view - fresh, unfixed, photographer: Ulrich, S.
- polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- dry pollen - dry, sputter coated with gold, photographer: Ulrich, S.
- cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- cross section of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
- pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- pollen wall, aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cytoplasm with vegetative nucleus, generative cell (below) and organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cytoplasm with generative cell and organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
Literature
- (1975) The Veronica hederifolia group: taxonomy, ecology, and phylogeny. European Floristic and Taxonomic Studies : 48-60
- (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:
Ulrich S. 2016. Veronica anagallis-aquatica. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Veronica_anagallis-aquatica/300463; accessed 2025-04-28