Stachys annua
Taxonomy: Angiospermae, Lamiales, Lamiaceae, Stachys
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Stachys-annua.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): 21-25 µm, 26-30 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 21-25 µm, longest diameter in equatorial or polar view (LM): 21-25 µm, pollen class: colpate, polarity: isopolar, P/E-ratio: isodiametric, 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
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: present, sexine: present, SEM ornamentation SEM: reticulate, perforate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: continuous, endexine: absent, intine: bilayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 2-celled, Ubisch bodies: absent
Author(s) of diagnosis: Halbritter, Heidemarie; Ulrich, Silvia; Auer, Waltraud
Pictures
1. habitus
2. inflorescence(s)
3. flower(s)
4. flower(s)
5. 2-celled pollen
6. 2-celled pollen
7. acetolyzed pollen, upper focus
8. acetolyzed pollen, optical section
9. acetolyzed pollen, lower focus
10. hydrated pollen, polar view
11. hydrated pollen, equatorial view
12. hydrated pollen
13. hydrated pollen
14. hydrated pollen
15. hydrated pollen grains
16. hydrated pollen, polar view
17. polar view
18. hydrated pollen, slightly oblique polar view
19. equatorial view
20. hydrated pollen, equatorial view
21. detail of aperture
22. detail of aperture
23. exine surface
24. exine surface
25. polar area
26. dry pollen
27. dry pollen grains
28. pollen wall, interapertural area
29. pollen wall, interapertural area
30. pollen wall, interapertural area
31. pollen wall at transition of aperture and interapertural region
32. pollen wall at transition of aperture and interapertural region
Picture legend
- habitus, photographer: Ulrich, S.
- inflorescence(s), photographer: Halbritter, H.
- flower(s), photographer: Ulrich, S.
- flower(s), photographer: Ulrich, S.
- 2-celled pollen - dry, unfixed, aceto-carmine, photographer: Ulrich, S.
- 2-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 - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen grains - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated pollen, polar view - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated pollen, slightly oblique polar view - dry, rehydration (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.
- hydrated pollen, equatorial view - dry, rehydration (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: Halbritter, H.
- detail of aperture - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- polar area - dry, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- dry pollen - dry, sputter coated with gold, photographer: Ulrich, S.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- pollen wall, 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 region - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
- pollen wall at transition of aperture and interapertural region - 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:
Halbritter H., Ulrich S., Auer W. 2020. Stachys annua. In: PalDat - A palynological database. https://www.paldat.org/en/pub/Stachys_annua/304432; accessed 2025-05-04