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PalDat - Palynological Database

an online publication on recent pollen

Lamium maculatum

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Lamium

Links: http://flora.nhm-wien.ac.at/seiten-arten/lamium-maculatum.htm

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): 21-25 µm, 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: 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): elliptic,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: microgemmate, perforate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: -,  cell number: 2-celled,  Ubisch bodies: absent

Annotations: some vegetative nuclei with crystalline inclusions

Author(s) of diagnosis: Halbritter, Halbritter; Ulrich, Silvia; Heigl, Helmut

Pictures

flower(s)

1. flower(s)

pollen grain with generative cell and vegetative nucleus

2. pollen grain with generative cell and vegetative nucleus

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

polar view

6. polar view

hydrated Pollen

7. hydrated Pollen

hydrated Pollen

8. hydrated Pollen

hydrated Pollen

9. hydrated Pollen

polar view

10. polar view

polar view

11. polar view

equatorial view

12. equatorial view

aperture

13. aperture

detail of aperture

14. detail of aperture

detail of aperture

15. detail of aperture

exine surface

16. exine surface

exine surface

17. exine surface

exine surface

18. exine surface

polar area

19. polar area

dry pollen grains

20. dry pollen grains

dry pollen grains

21. dry pollen grains

dry pollen grain

22. dry pollen grain

pollen grain in cross section

23. pollen grain in cross section

apertural area of pollen wall

24. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

25. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

26. pollen wall at transition of aperture and interapertural area

pollen wall at transition of aperture and interapertural area

27. pollen wall at transition of aperture and interapertural area

interapertural area of pollen wall

28. interapertural area of pollen wall

interapertural area of pollen wall

29. interapertural area of pollen wall

interapertural area of pollen wall

30. interapertural area of pollen wall

generative cell, vegetative nucleus with crystalline inclusion (protein bodies)

31. generative cell, vegetative nucleus with crystalline inclusion (protein bodies)

generative cell and vegetative nucleus

32. generative cell and vegetative nucleus

detail of vegetative nucleus; crystalline inclusions (protein bodies)

33. detail of vegetative nucleus; crystalline inclusions (protein bodies)

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. pollen grain with generative cell and vegetative nucleus - fresh, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
  3. upper focus - fresh, acetolyzed, unstained, photographer: Ulrich, S.
  4. optical section - fresh, acetolyzed, unstained, photographer: Ulrich, S.
  5. lower focus - fresh, acetolyzed, unstained, photographer: Ulrich, S.
  6. polar view - fresh, rehydrated (water), unstained, photographer: Ulrich, S.
  7. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  8. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  9. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  10. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  12. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  13. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  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. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  18. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  19. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  20. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  21. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  22. dry pollen grain - dry, sputter coated with gold, photographer: Ulrich, S.
  23. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  24. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  25. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  26. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  27. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  28. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  29. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  30. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  31. generative cell, vegetative nucleus with crystalline inclusion (protein bodies) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  32. generative cell and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  33. detail of vegetative nucleus; crystalline inclusions (protein bodies) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • FISCHER MA, ADLER W, OSWALD K (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 1180

Copyright and Citation

Cite this publication as:

Halbritter H., Ulrich S., Heigl H. 2020. Lamium maculatum. In: PalDat - A palynological database. https://www.paldat.org/pub/Lamium_maculatum/304428;jsessionid=4B37F92E5FF0DA7CAE919FB120DF861E; accessed 2021-10-18

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