Ajuga reptans
Taxonomy: Angiospermae, Lamiales, Lamiaceae, Ajuga
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Ajuga-reptans.htm
Published: 2020-12-14
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, shortest polar axis in equatorial view (LM): 21-25 µm, longest polar axis in equatorial view (LM): 21-25 µm, 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: -, sexine: -, SEM ornamentation SEM: reticulate, bireticulate, microreticulate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-discontinuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 2-celled, Ubisch bodies: absent
Annotations: polar area with perforate to reticulate ornamentation
Author(s) of diagnosis: Ulrich, Silvia; Heigl, Helmut
Pictures
1. habitus
2. flower(s)
3. pollen grains with generative cell and vegetative nucleus
4. pollen grain with generative cell and vegetative nucleus
5. upper focus
6. optical section
7. lower focus
8. polar view
9. equatorial view
10. hydrated pollen
11. hydrated pollen
12. hydrated pollen
13. polar view
14. equatorial view
15. detail of aperture
16. exine surface
17. polar area
18. dry pollen grains
19. pollen grain in cross section
20. detail of pollen grain with generative cell
21. interapertural area of pollen wall
22. interapertural area of pollen wall
23. interapertural area of pollen wall
24. apertural area of pollen wall
25. pollen wall at transition of aperture and interapertural area
26. pollen wall at transition of aperture and interapertural area
27. vegetative nucleus (left) and generative cell (right); stacked endoplasmatic reticulum
28. detail of stacked endoplasmatic reticulum
29. crystals, in a cell of the anther wall
Picture legend
- habitus, photographer: Ulrich, S.
- flower(s), photographer: Ulrich, S.
- pollen grains with generative cell and vegetative nucleus - fresh, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
- pollen grain with generative cell and vegetative nucleus - 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: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- 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.
- 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, uranyl acetate & lead citrate, photographer: Ulrich, S.
- detail of pollen grain with generative cell - 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.
- 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, potassium permanganate, 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, 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.
- vegetative nucleus (left) and generative cell (right); stacked endoplasmatic reticulum - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- detail of stacked endoplasmatic reticulum - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- crystals, in a cell of the anther wall - 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:
Ulrich S., Heigl H. 2020. Ajuga reptans. In: PalDat - A palynological database. https://www.paldat.org/pub/Ajuga_reptans/304400;jsessionid=7E4DB8CD6B008FC3D4B90FAC8C460780; accessed 2024-11-10