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PalDat - Palynological Database

an online publication on recent pollen

Acinos alpinus

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Acinos

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,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: in aperture only,  intine: monolayered,  wall peculiarities: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: starch,  cell number: 3-celled,  Ubisch bodies: absent

Annotations

in some pollen grains crystalline inclusions in the vegetative nucleus were found

Author(s) of diagnosis: Ulrich, Silvia

Pictures

flowers of Acinos alpinus

1. flowers of Acinos alpinus

pollen grain with two sperm cells and vegetative nucleus

2. pollen grain with two sperm cells and vegetative nucleus

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

polar view

6. polar view

equatorial view

7. equatorial view

starch

8. starch

starch and pollenkitt

9. starch and pollenkitt

polar view

10. polar view

equatorial view

11. equatorial view

polar area

12. polar area

detail of aperture

13. detail of aperture

exine surface

14. exine surface

exine surface

15. exine surface

dry pollen grains

16. dry pollen grains

dry pollen grains

17. dry pollen grains

pollen grain in cross section

18. pollen grain in cross section

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; aperture area

21. pollen wall; aperture 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

vegetative nucleus with nucleolus

25. vegetative nucleus with nucleolus

sperm cell

26. sperm cell

sperm cell (left) and vegetative nucleus with crystalline inclusions (protein bodies)

27. sperm cell (left) and vegetative nucleus with crystalline inclusions (protein bodies)

detail of crystalline inclusions (protein bodies) in the vegetative nucleus

28. detail of crystalline inclusions (protein bodies) in the vegetative nucleus

vegetative cytoplasm with organells

29. vegetative cytoplasm with organells

Picture legend

  1. flowers of Acinos alpinus, photographer: Ulrich, S.
  2. pollen grain with two sperm cells and vegetative nucleus - dry, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
  3. upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  4. optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
  5. lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  6. polar view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
  7. equatorial view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
  8. starch - dry, rehydrated (water), iodine, photographer: Ulrich, S.
  9. starch and pollenkitt - dry, rehydrated (water), iodine, photographer: Ulrich, S.
  10. polar view - fresh, DMP & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  11. equatorial view - fresh, DMP & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  12. polar area - fresh, DMP & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  13. detail of aperture - fresh, DMP & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. exine surface - fresh, DMP & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  15. exine surface - fresh, DMP & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  17. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  18. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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; aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  22. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  23. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  24. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  25. vegetative nucleus with nucleolus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  26. sperm cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  27. sperm cell (left) and vegetative nucleus with crystalline inclusions (protein bodies) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  28. detail of crystalline inclusions (protein bodies) in the vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  29. vegetative cytoplasm with organells - 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. Acinos alpinus. In: PalDat - A palynological database. https://www.paldat.org/pub/Acinos_alpinus/300516;jsessionid=9D2342817CD65B4E773735A7B2B30340; accessed 2018-11-14

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