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PalDat - Palynological Database

an online publication on recent pollen

Galeopsis speciosa

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, perforate,  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: Ulrich, Silvia

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

pollen grain with generative cell and vegetative nucleus

3. pollen grain with generative cell and vegetative nucleus

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

pollenkitt

9. pollenkitt

polar view

10. polar view

equatorial view

11. equatorial view

detail of aperture

12. detail of aperture

detail of aperture

13. detail of aperture

exine surface

14. exine surface

exine surface

15. exine surface

polar area

16. polar area

dry pollen grains

17. dry pollen grains

detail of pollen grain

18. detail of pollen grain

apertural area of pollen wall

19. apertural area of pollen wall

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

interapertural area of pollen wall

22. interapertural area of pollen wall

interapertural area of pollen wall

23. interapertural area of pollen wall

interapertural area of pollen wall

24. interapertural area of pollen wall

pollen wall at transition of aperture and interapertural area

25. pollen wall at transition of aperture and interapertural area

generative cell and vegetative nucleus (left)

26. generative cell and vegetative nucleus (left)

Picture legend

  1. habitus, photographer: Ulrich, S.
  2. flower(s), photographer: Ulrich, S.
  3. pollen grain with generative cell and vegetative nucleus - 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. pollenkitt - fresh, rehydrated (water), iodine, photographer: Ulrich, S.
  10. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  11. equatorial view - 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. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  15. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  16. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  17. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  18. detail of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  19. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  23. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  24. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, 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. generative cell and vegetative nucleus (left) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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:

Ulrich S. 2016. Galeopsis speciosa. In: PalDat - A palynological database. https://www.paldat.org/pub/Galeopsis_speciosa/300521;jsessionid=75D774EE8ECC37B10858236DB8BE55C9; accessed 2018-11-15

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