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), size of hydrated pollen (LM): -, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): -, longest diameter in equatorial or polar view (LM): -, pollen class: colpate, polarity: isopolar, P/E-ratio: oblate, shape: -, outline in polar view: elliptic, dominant orientation (LM): -, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): elliptic, infoldings (dry pollen): aperture(s) sunken, aperture number: 6, aperture type: colpus, aperture condition: hexacolpate, stephanocolpate, colpate, aperture peculiarities: stephanoaperturate, aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, bireticulate, reticulate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 3-celled, Ubisch bodies: absent
Author(s) of diagnosis: Halbritter, Heidemarie; Loos, Claudia
Pictures
1. flower(s)
2. polar view
3. optical section
4. polar view, lower focus
5. pollen grain with sperm cells (asterisks)
6. polar view
7. equatorial view
8. aperture
9. exine surface
10. polar area
11. dry pollen grains
12. pollen grain in cross section
13. interapertural area of pollen wall
14. interapertural area of pollen wall
15. apertural area of pollen wall
16. pollen wall at transition of aperture and interapertural area
Picture legend
- flower(s), photographer: Halbritter, H.
- polar view - fresh, acetolyzed, unstained, photographer: Loos, C.
- optical section - fresh, acetolyzed, unstained, photographer: Loos, C.
- polar view, lower focus - fresh, acetolyzed, unstained, photographer: Loos, C.
- pollen grain with sperm cells (asterisks) - fixed, glutaraldehyde, aceto-carmine, photographer: Loos, C.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Loos, C.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Loos, C.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Loos, C.
Literature
- (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
- (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://pc8.botanik.univie.ac.at/pub/Prunella_grandiflora/302456;jsessionid=12C5A51CA8C39416303FB00C9178560A; accessed 2025-01-10