Lycopus europaeus
Taxonomy: Angiospermae, Lamiales, Lamiaceae, Lycopus
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Lycopus-europaeus-1.htm
Annotations: Lycopus europaeus L.
Published: 2020-12-14
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): 26-30 µm, shortest polar axis in equatorial view (LM): 21-25 µm, longest polar axis in equatorial view (LM): 26-30 µm, shortest diameter in equatorial or polar view (LM): 26-30 µm, longest diameter in equatorial or polar view (LM): 26-30 µm, pollen class: colpate, polarity: isopolar, P/E-ratio: oblate, shape: -, outline in polar view: elliptic, dominant orientation (LM): polar, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): elliptic, infoldings (dry pollen): aperture(s) sunken, aperture number: 6, aperture type: colpus, aperture condition: hexacolpate, colpate, aperture peculiarities: stephanoaperturate, aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, reticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, cell number: 3-celled, Ubisch bodies: absent
Annotations: thin endexine
Author(s) of diagnosis: Halbritter, Heidemarie; Ulrich, Silvia; Auer, Waltraud
Pictures
1. flower(s)
2. flower(s)
3. sperm cell and vegetative nucleus
4. upper focus
5. optical section
6. lower focus
7. hydrated pollen
8. no starch detected
9. hydrated pollen
10. hydrated pollen
11. hydrated pollen
12. polar view
13. equatorial view
14. detail of aperture
15. detail of aperture
16. exine surface
17. polar area
18. dry pollen grains
19. cross section of pollen grain
20. pollen wall; aperture area
21. pollen wall at transition of aperture and interapertural area
22. pollen wall at transition of aperture and interapertural area
23. pollen wall at transition of aperture and interapertural area
24. pollen wall at transition of aperture and interapertural area
25. pollen wall; interapertural area
26. pollen wall; interapertural area
27. pollen wall; interapertural area
28. sperm cell
29. vegetative cytoplasm with organells
Picture legend
- flower(s), photographer: Ulrich, S.
- flower(s), photographer: Halbritter, H.
- sperm cell and vegetative nucleus - dry, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
- upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
- lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- hydrated pollen - dry, rehydrated (water), unstained, photographer: Ulrich, S.
- no starch detected - dry, rehydrated (water), iodine, photographer: Ulrich, S.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
- cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
- pollen wall; aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, 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 at transition of aperture and interapertural area - 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, potassium permanganate, photographer: Ulrich, S.
- pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, 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, potassium permanganate, photographer: Ulrich, S.
- sperm cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- vegetative cytoplasm with organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
Literature
- (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 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., Ulrich S., Auer W. 2020. Lycopus europaeus. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Lycopus_europaeus/304450; accessed 2025-04-27