Microrrhinum minus
Taxonomy: Spermatophyta, Scrophulariales, Veronicaceae, Microrrhinum
Published: 2013-03-10
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): small (10-25 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: colporate, polarity: heteropolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): lobate, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colporus, aperture condition: colporate, aperture peculiarities: aperture membrane psilate
Ornamentation and Structure
LM ornamentation LM: perforate, nexine: present, sexine: present, SEM ornamentation SEM: perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 2-celled, Ubisch bodies: absent
Annotations: Ornamentation perforate to microreticulate.
Author(s) of diagnosis: Ulrich, S.
Pictures
1. habitus
2. flowers of Korrektur
3. flower(s)
4. flower(s)
5. upper focus
6. optical section
7. lower focus
8. hydrated pollen, polar view
9. hydrated pollen, equatorial view
10. 2-celled pollen
11. no starch detected
12. hydrated pollen, polar view
13. polar view
14. hydrated pollen, equatorial view
15. equatorial view
16. slightly oblique equatorial view
17. aperture
18. aperture
19. detail of aperture
20. detail of aperture
21. exine surface
22. exine surface
23. exine surface
24. polar area
25. dry pollen
26. dry pollen
27. dry pollen
28. cross section of pollen grain
29. pollen wall, aperture area
30. pollen wall, aperture area
31. pollen wall, aperture area
32. pollen wall at transition of aperture and interapertural area
33. pollen wall at transition of aperture and interapertural area
34. pollen wall at transition of aperture and interapertural area
35. pollen wall at transition of aperture and interapertural area
36. pollen wall, interapertural area
37. pollen wall, interapertural area
38. pollen wall, interapertural area
39. cytoplasm with generative cell and organells
40. cytoplasm with organells
Picture legend
- habitus, photographer: Ulrich, S.
- flowers of Korrektur, photographer: Halbritter, H.
- flower(s), photographer: Ulrich, S.
- flower(s), photographer: Halbritter, H.
- upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
- optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
- 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.
- 2-celled pollen - dry, unfixed, aceto-carmine, photographer: Ulrich, S.
- no starch detected - dry, unfixed, iodine, photographer: Ulrich, S.
- hydrated pollen, polar view - fresh, 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, equatorial view - fresh, 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.
- slightly oblique equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
- detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
- detail of aperture - fresh, rehydration (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.
- exine surface - fresh, 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.
- 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.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
- cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- pollen wall, aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
- pollen wall, aperture 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 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, 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, modified Thiéry-test, photographer: Ulrich, S.
- 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.
- cytoplasm with generative cell and organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
- cytoplasm with organells - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
Literature
Copyright and Citation
Cite this publication as:
Ulrich S., Halbritter H. 2013. Microrrhinum minus. In: PalDat - A palynological database. https://www.paldat.org/pub/Microrrhinum_minus/214994; accessed 2024-06-08