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PalDat - Palynological Database

an online publication on recent pollen

Galeopsis tetrahit

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Galeopsis

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: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  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, margo

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, microreticulate, bireticulate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

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

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

pollen grain with generative cell

3. pollen grain with generative cell

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

polar view

7. polar view

equatorial view

8. equatorial view

polar view

9. polar view

slightly oblique polar view

10. slightly oblique polar view

equatorial view

11. equatorial 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

polar area

17. polar area

dry pollen grains

18. dry pollen grains

pollen grain in cross section

19. pollen grain in cross section

apertural area of pollen wall

20. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

21. pollen wall at transition of aperture and interapertural area

interapertural area of pollen wall

22. interapertural area of pollen wall

interapertural area of pollen wall

23. interapertural area of pollen wall

generative cell and vegetative nucleus

24. generative cell and vegetative nucleus

pollenkitt

25. pollenkitt

Picture legend

  1. habitus, photographer: Ulrich, S.
  2. flower(s), photographer: Ulrich, S.
  3. pollen grain with generative cell - fresh, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
  4. upper focus - fresh, acetolyzed, unstained, photographer: Ulrich, S.
  5. optical section - fresh, acetolyzed, unstained, photographer: Ulrich, S.
  6. lower focus - fresh, acetolyzed, unstained, photographer: Ulrich, S.
  7. polar view - fresh, rehydrated (water), unstained, photographer: Ulrich, S.
  8. equatorial view - fresh, rehydrated (water), unstained, photographer: Ulrich, S.
  9. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  10. slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. equatorial 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: Halbritter, H.
  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. 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. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  20. apertural area of pollen wall - 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, uranyl acetate & lead citrate, photographer: Ulrich, S.
  22. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  23. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  24. generative cell and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  25. pollenkitt - 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., Galeopsis tetrahit. In: PalDat (2016-03-01) - a palynological database. Published on the Internet https://www.paldat.org/pub/Galeopsis_tetrahit/300522;jsessionid=59E21D87167845EF14D35627F64AA70B [accessed 2018-01-23]

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