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PalDat - Palynological Database

an online publication on recent pollen

Prunella grandiflora

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Prunella

Published: 2016-11-28

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, stephanocolpate,  aperture peculiarities: aperture membrane ornamented, stephanoaperturate

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Loos, Claudia

Pictures

flower(s)

1. flower(s)

polar view

2. polar view

optical section

3. optical section

polar view,lower focus

4. polar view, lower focus

pollen grain with sperm cells (asterisks)

5. pollen grain with sperm cells (asterisks)

polar view

6. polar view

equatorial view

7. equatorial view

aperture

8. aperture

exine surface

9. exine surface

polar area

10. polar area

dry pollen grains

11. dry pollen grains

pollen grain in cross section

12. pollen grain in cross section

interapertural area of pollen wall

13. interapertural area of pollen wall

interapertural area of pollen wall

14. interapertural area of pollen wall

apertural area of pollen wall

15. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

16. pollen wall at transition of aperture and interapertural area

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. polar view - fresh, acetolyzed, unstained, photographer: Loos, C.
  3. optical section - fresh, acetolyzed, unstained, photographer: Loos, C.
  4. polar view, lower focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  5. pollen grain with sperm cells (asterisks) - fixed, glutaraldehyde, aceto-carmine, photographer: Loos, C.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  12. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  13. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Loos, C.
  14. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  15. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Loos, C.
  16. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Loos, C.

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
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180

Copyright and Citation

Cite this publication as:

Halbritter H., Loos C. 2016. Prunella grandiflora. In: PalDat - A palynological database. https://www.paldat.org/pub/Prunella_grandiflora/302456;jsessionid=270466F9609FBFD2C857DA43DAA57256; accessed 2018-11-15

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