Galeopsis tetrahit
Taxonomy: Angiospermae, Lamiales, Lamiaceae, Galeopsis
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Galeopsis-tetrahit.htm
Published: 2020-12-10
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): 36-40 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 36-40 µm, longest diameter in equatorial or polar view (LM): 36-40 µm, pollen class: colpate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): elliptic, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colpus, aperture condition: colpate, tricolpate, aperture peculiarities: aperture membrane ornamented, margo
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, bireticulate, microreticulate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: discontinuous, endexine: absent, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: -, cell number: 2-celled, Ubisch bodies: absent
Author(s) of diagnosis: Halbritter, Halbritter; Ulrich, Silvia; Auer, Waltraud
Pictures
1. habitus
2. flower(s)
3. pollen grain with generative cell
4. upper focus
5. optical section
6. lower focus
7. polar view
8. equatorial view
9. hydrated pollen
10. hydrated pollen
11. hydrated pollen
12. polar view
13. slightly oblique polar view
14. equatorial view
15. equatorial view
16. aperture
17. detail of aperture
18. detail of aperture
19. exine surface
20. polar area
21. dry pollen grains
22. pollen grain in cross section
23. apertural area of pollen wall
24. pollen wall at transition of aperture and interapertural area
25. interapertural area of pollen wall
26. interapertural area of pollen wall
27. generative cell and vegetative nucleus
28. pollenkitt
Picture legend
- habitus, photographer: Ulrich, S.
- flower(s), photographer: Ulrich, S.
- pollen grain with generative cell - fresh, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
- upper focus - fresh, acetolyzed, unstained, photographer: Ulrich, S.
- optical section - fresh, acetolyzed, unstained, photographer: Ulrich, S.
- lower focus - fresh, acetolyzed, unstained, photographer: Ulrich, S.
- polar view - fresh, rehydrated (water), unstained, photographer: Ulrich, S.
- equatorial view - fresh, rehydrated (water), unstained, photographer: Ulrich, S.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- slightly oblique 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: Ulrich, S.
- 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.
- detail of aperture - 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.
- 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.
- pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- apertural area of pollen wall - 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.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- generative cell and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- pollenkitt - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, 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
- (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 1180
Copyright and Citation
Cite this publication as:
Halbritter H., Ulrich S., Auer W. 2020. Galeopsis tetrahit. In: PalDat - A palynological database. https://www.paldat.org/pub/Galeopsis_tetrahit/304423; accessed 2025-04-30