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PalDat - Palynological Database

an online publication on recent pollen

Lycopus europaeus

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Lycopus

Published: 2016-03-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colpate,  polarity: isopolar,  shape: oblate,  outline in polar view: elliptic,  shape (dry pollen): prolate,  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,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

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

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

polar view

9. polar view

equatorial view

10. equatorial view

detail of aperture

11. detail of aperture

detail of aperture

12. detail of aperture

exine surface

13. exine surface

polar area

14. polar area

dry pollen grains

15. dry pollen grains

cross section of pollen grain

16. cross section of pollen grain

pollen wall; aperture area

17. pollen wall; aperture area

pollen wall at transition of aperture and interapertural area

18. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

19. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

20. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

21. pollen wall at transition of aperture and interapertural area

pollen wall; interapertural area

22. pollen wall; interapertural area

pollen wall; interapertural area

23. pollen wall; interapertural area

pollen wall; interapertural area

24. pollen wall; interapertural area

sperm cell

25. sperm cell

vegetative cytoplasm with organells

26. 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. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  10. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  11. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  12. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  13. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  15. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  16. cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  17. pollen wall; aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  18. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  19. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  20. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  23. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  24. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  25. sperm cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  26. 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. 2016. Lycopus europaeus. In: PalDat - A palynological database. https://www.paldat.org/pub/Lycopus_europaeus/300525;jsessionid=087C364E9C23A2029F16FF8181905C1A; accessed 2018-11-15

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