Thymus odoratissimus
Taxonomy: Angiospermae, Lamiales, Lamiaceae, Thymus
Published: 2016-02-22
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: colpate, hexacolpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: present, sexine: present, SEM ornamentation SEM: microreticulate, bireticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-continuous, intine: bilayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 3-celled, Ubisch bodies: absent
Annotations: footlayer very thin, stacked endoplasmic reticulum
Author(s) of diagnosis: Ulrich, Silvia
Pictures
1. inflorescence(s)
2. inflorescence(s)
3. 3-celled pollen
4. acetolyzed pollen, upper focus
5. acetolyzed pollen, optical section
6. acetolyzed pollen, lower focus
7. hydrated pollen, polar view
8. hydrated pollen, equatorial view
9. hydrated pollen, slightly oblique polar view
10. hydrated pollen, equatorial view
11. aperture detail
12. exine surface
13. polar area
14. dry pollen
15. cross section of pollen grain
16. cross section of aperture area and interapertural area
17. cytoplasm with sperm cell and lipids
18. pollen wall, interapertural area
19. pollen wall, interapertural area, endexine clearly visible
20. pollen wall, interapertural area
21. aperture area, note stacked endoplasmic reticulum
22. pollen wall, transition from aperture to interapertural area
23. pollen wall, transition from aperture to interapertural area
24. pollen wall, transition from aperture to interapertural area
25. cytoplasm with vegetative nucleus, sperm cell and organells
26. cytoplasm with vegetative nucleus, sperm cell and organells
27. cytoplasm with organells, note stacked endoplasmic reticulum
28. cytoplasm with organells
Picture legend
- inflorescence(s), photographer: Ulrich, S.
- inflorescence(s), photographer: Ulrich, S.
- 3-celled pollen - dry, unfixed, aceto-carmine, photographer: Ulrich, S.
- acetolyzed pollen, upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- acetolyzed pollen, optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
- acetolyzed pollen, lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- hydrated pollen, polar view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
- hydrated pollen, equatorial view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
- hydrated pollen, slightly oblique polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- hydrated pollen, equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- aperture detail - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- dry pollen - dry, sputter coated with gold, photographer: Ulrich, S.
- cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cross section of aperture area and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cytoplasm with sperm cell and lipids - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, interapertural area, endexine clearly visible - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
- pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- aperture area, note stacked endoplasmic reticulum - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, transition from aperture to interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, transition from aperture to interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
- pollen wall, transition from aperture to interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- cytoplasm with vegetative nucleus, sperm cell and organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cytoplasm with vegetative nucleus, sperm cell and organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cytoplasm with organells, note stacked endoplasmic reticulum - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- cytoplasm with organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
Literature
- (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
Copyright and Citation
Cite this publication as:
Ulrich S. 2016. Thymus odoratissimus. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Thymus_odoratissimus/300493;jsessionid=970184158AEAA08C6FE0855CEE9D74FA; accessed 2025-01-25