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
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