Melissa officinalis
Taxonomy: Spermatophyta, Lamiales, Lamiaceae, Melissa
Published: 2005-06-01
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: -, 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: -, aperture condition: colpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, microreticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: -, cell number: 3-celled, Ubisch bodies: absent
Author(s) of diagnosis: Ulrich, S.
Pictures
1. flower(s)
2. sperm cells
3. upper focus
4. optical section
5. lower focus
6. equatorial view
7. polar view
8. equatorial view
9. detail of aperture
10. exine surface
11. exine surface
12. polar area
13. dry pollen grains
14. dry pollen grain
15. cross section of pollen grain
16. pollen wall at transition of aperture and interapertural area
17. pollen wall at transition of aperture and interapertural area
18. pollen wall; interapertural area
19. pollen wall; interapertural area
20. pollen wall at transition of aperture and interapertural area
21. pollen wall; interapertural area
Picture legend
- flower(s), photographer: Ulrich, S.
- sperm cells - dry, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
- upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
- lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- equatorial view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
- dry pollen grain - dry, sputter coated with gold, photographer: Ulrich, S.
- cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- pollen wall at transition of aperture and interapertural area - 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.
- pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
Literature
Copyright and Citation
Cite this publication as:
Ulrich S. 2005. Melissa officinalis. In: PalDat - A palynological database. https://www.paldat.org/pub/Melissa_officinalis/109578;jsessionid=6FE08B829E431EE7170174ED7E42E32B; accessed 2024-04-19