Anagallis arvensis
Taxonomy: Angiospermae, Ericales, Primulaceae, Anagallis
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Anagallis-arvensis.htm
Published: 2020-12-07
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): 21-25 µm, shortest polar axis in equatorial view (LM): 21-25 µm, longest polar axis in equatorial view (LM): 21-25 µm, shortest diameter in equatorial or polar view (LM): 21-25 µm, longest diameter in equatorial or polar view (LM): 21-25 µm, pollen class: colporate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, 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, tricolporate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: present
Annotations: shape hydrated spheroidal to oblate with triangular outline; abnormal pollen grains frequent (irregular number and arrangement of apertures)
Author(s) of diagnosis: Halbritter, Heidemarie; Bombosi, Paula; Heigl, Helmut
Pictures
1. flower(s)
2. aspect of Anagallis arvensis
3. slightly polar view, upper focus
4. optical section
5. slightly polar view, lower focus
6. pollen grain with generative cell (arrow)
7. hydrated pollen
8. hydrated pollen
9. hydrated pollen
10. hydrated pollen grains
11. polar view (oblique)
12. equatorial view
13. abnormal pollen grain
14. abnormal pollen grain
15. abnormal pollen grain
16. aperture
17. exine surface
18. polar area
19. dry pollen grains
20. dry pollen grain
21. dry pollen grain
22. Ubisch bodies on inner anther wall
23. pollen grains in cross section
24. interapertural area of pollen wall, intine (I), endexine (E)
25. apertural area of pollen wall, intine (I)
26. tapetum cells with Ubisch bodies (U)
Picture legend
- flower(s), photographer: Bombosi, P.
- aspect of Anagallis arvensis, photographer: Svojtka, M.
- slightly polar view, upper focus - dry, acetolyzed, unstained, photographer: Bombosi, P.
- optical section - dry, acetolyzed, unstained, photographer: Bombosi, P.
- slightly polar view, lower focus - dry, acetolyzed, unstained, photographer: Bombosi, P.
- pollen grain with generative cell (arrow) - fresh, glutaraldehyde, aceto-carmine, photographer: Bombosi, P.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- abnormal pollen grain - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- abnormal pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
- abnormal pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
- aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- dry pollen grain - dry, sputter coated with gold, photographer: Bombosi, P.
- dry pollen grain - dry, sputter coated with gold, photographer: Bombosi, P.
- Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- pollen grains in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Bombosi, P.
- interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
- apertural area of pollen wall, intine (I) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
- tapetum cells with Ubisch bodies (U) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
Literature
- (1994) Exkursionsflora von Österreich : 1180
- (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:
Halbritter H., Bombosi P., Heigl H., Svojtka M. 2020. Anagallis arvensis. In: PalDat - A palynological database. https://www.paldat.org/pub/Anagallis_arvensis/304327; accessed 2024-11-01