Tanacetum cinerariifolium
Taxonomy: Angiospermae, Asterales, Asteraceae, Tanacetum
Links: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:252275-1
Published: 2026-09-10
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): 26-30 µm, pollen class: colporate, polarity: isopolar, P/E-ratio: isodiametric, 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): circular, 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, echinate, nexine: -, sexine: -, SEM ornamentation SEM: echinate, microreticulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Author(s) of diagnosis: Halbritter, Heidemarie; Hoffmann, Julia; Oberleitner, Sarah
Pictures
1. inflorescence(s)
2. hydrated pollen, equatorial view
3. hydrated pollen, equatorial view, aperture
4. hydrated pollen, polar view
5. hydrated pollen, polar view
6. hydrated pollen, polar view
7. hydrated pollen, equatorial view, aperture
8. hydrated pollen, equatorial view
9. hydrated pollen, equatorial view
10. hydrated pollen, equatorial view
11. hydrated pollen, polar view
12. hydrated pollen, polar view
13. polar view
14. equatorial view
15. oblique view
16. aperture
17. aperture
18. exine surface
19. exine surface
20. polar area
21. polar area
22. dry pollen grains
23. dry pollen
Picture legend
- inflorescence(s), photographer: Weis, B.
- hydrated pollen, equatorial view - fixed, glycerine-gelatine, fuchsin, photographer: Oberleitner, S.
- hydrated pollen, equatorial view, aperture - fixed, glycerine-gelatine, fuchsin, photographer: Oberleitner, S.
- hydrated pollen, polar view - fixed, glycerine-gelatine, fuchsin, photographer: Oberleitner, S.
- hydrated pollen, polar view - fixed, glycerine-gelatine, fuchsin, photographer: Oberleitner, S.
- hydrated pollen, polar view - fixed, glycerine-gelatine, fuchsin, photographer: Oberleitner, S.
- hydrated pollen, equatorial view, aperture - fixed, glycerine-gelatine, unstained, photographer: Oberleitner, S.
- hydrated pollen, equatorial view - fixed, glycerine-gelatine, unstained, photographer: Oberleitner, S.
- hydrated pollen, equatorial view - fixed, glycerine-gelatine, unstained, photographer: Oberleitner, S.
- hydrated pollen, equatorial view - fixed, glycerine-gelatine, unstained, photographer: Oberleitner, S.
- hydrated pollen, polar view - fixed, glycerine-gelatine, unstained, photographer: Oberleitner, S.
- hydrated pollen, polar view - fixed, glycerine-gelatine, unstained, photographer: Oberleitner, S.
- polar view - fresh, DMP & critical point dried, photographer: Halbritter, H.
- equatorial view - fresh, DMP & critical point dried, photographer: Halbritter, H.
- oblique view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - fresh, DMP & critical point dried, photographer: Halbritter, H.
- polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - fresh, photographer: Halbritter, H.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
- (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., Hoffmann J., Oberleitner S., Weis B. 2026. Tanacetum cinerariifolium. In: PalDat - A palynological database. /pub/Tanacetum_cinerariifolium/307050; accessed 2026-09-11