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an online publication on recent pollen

Galeopsis speciosa

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Galeopsis

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/galeopsis-speciosa.htm

Published: 2020-12-10

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): 31-35 µm,  shortest polar axis in equatorial view (LM): 31-35 µm,  longest polar axis in equatorial view (LM): 31-35 µm,  shortest diameter in equatorial or polar view (LM): 31-35 µm,  longest diameter in equatorial or polar view (LM): 31-35 µm,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: -,  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, margo

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, 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

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

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

hydrated pollen

10. hydrated pollen

hydrated pollen

11. hydrated pollen

hydrated pollen

12. hydrated pollen

polar view

13. polar view

equatorial view

14. equatorial view

detail of aperture

15. detail of aperture

detail of aperture

16. detail of aperture

exine surface

17. exine surface

exine surface

18. exine surface

polar area

19. polar area

dry pollen grains

20. dry pollen grains

detail of pollen grain

21. detail of pollen grain

apertural area of pollen wall

22. apertural area of pollen wall

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

interapertural area of pollen wall

25. interapertural area of pollen wall

interapertural area of pollen wall

26. interapertural area of pollen wall

interapertural area of pollen wall

27. interapertural area of pollen wall

pollen wall at transition of aperture and interapertural area

28. pollen wall at transition of aperture and interapertural area

generative cell and vegetative nucleus (left)

29. 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. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  11. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  12. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  13. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. equatorial view - 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. detail of aperture - 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: Ulrich, S.
  20. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  21. detail of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  22. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  26. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  27. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  28. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  29. 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., Heigl H. 2020. Galeopsis speciosa. In: PalDat - A palynological database. https://www.paldat.org/pub/Galeopsis_speciosa/304424;jsessionid=83F48C8A757CB0FD15DDD09B5AD9E4FA; accessed 2024-03-29

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