PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

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: colpate, hexacolpate,  aperture peculiarities: aperture membrane ornamented, stephanoaperturate

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, microreticulate,  suprasculpture SEM: -,  TEMtectum: 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

flower(s)

1. flower(s)

flower(s)

2. flower(s)

sperm cell and vegetative nucleus

3. sperm cell and vegetative nucleus

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

hydrated pollen

7. hydrated pollen

no starch detected

8. no starch detected

hydrated pollen

9. hydrated pollen

hydrated pollen

10. hydrated pollen

hydrated pollen

11. hydrated pollen

polar view

12. polar view

equatorial view

13. equatorial view

detail of aperture

14. detail of aperture

detail of aperture

15. detail of aperture

exine surface

16. exine surface

polar area

17. polar area

dry pollen grains

18. dry pollen grains

cross section of pollen grain

19. cross section of pollen grain

pollen wall; aperture area

20. pollen wall; aperture area

pollen wall at transition of aperture and interapertural area

21. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

22. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

23. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

24. pollen wall at transition of aperture and interapertural area

pollen wall; interapertural area

25. pollen wall; interapertural area

pollen wall; interapertural area

26. pollen wall; interapertural area

pollen wall; interapertural area

27. pollen wall; interapertural area

sperm cell

28. sperm cell

vegetative cytoplasm with organells

29. vegetative cytoplasm with organells

Picture legend

  1. flower(s), photographer: Ulrich, S.
  2. flower(s), photographer: Halbritter, H.
  3. sperm cell and vegetative nucleus - dry, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
  4. upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  5. optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
  6. lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  7. hydrated pollen - dry, rehydrated (water), unstained, photographer: Ulrich, S.
  8. no starch detected - dry, rehydrated (water), iodine, photographer: Ulrich, S.
  9. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  10. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  11. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  12. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  13. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  15. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  16. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  17. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  18. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  19. cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  20. pollen wall; aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  21. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  22. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  23. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  24. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  25. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  26. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  27. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  28. sperm cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  29. vegetative cytoplasm with organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.

Literature

  • FISCHER MA, ADLER W, OSWALD K (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 1180
  • Halbritter, H (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://www.paldat.org/pub/Lycopus_europaeus/304450;jsessionid=EE1019AFC5F2EB5D34490C8DCFBE67F3; accessed 2024-04-19

Previous Publications