Polemonium caeruleum
Taxonomy: Angiospermae, Ericales, Polemoniaceae, Polemonium
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Polemonium-caeruleum.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): 41-50 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 41-50 µm, longest diameter in equatorial or polar view (LM): 41-50 µm, pollen class: porate, polarity: isopolar, P/E-ratio: isodiametric, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): polar, P/E-ratio (dry pollen): -, shape (dry pollen): spheroidal, outline in polar view (dry pollen): circular, infoldings (dry pollen): not infolded, aperture number: >6, aperture type: porus, aperture condition: pantoporate, porate, aperture peculiarities: aperture membrane ornamented, pantoaperturate
Ornamentation and Structure
LM ornamentation LM: striate, rugulate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, striato-reticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: continuous, endexine: absent, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, starch, cell number: -, Ubisch bodies: absent
Author(s) of diagnosis: Svojtka, Matthias; Heigl, Helmut
Pictures
1. flower(s)
2. hydrated pollen
3. hydrated pollen
4. hydrated pollen
5. hydrated pollen grain
6. exine surface
7. dry pollen grain
8. exine surface of dry pollen grain
9. cross section of pollen grain
10. pollen wall
11. detail of pollen wall
12. apertures
13. generative cell
Picture legend
- flower(s), photographer: Halbritter, H.
- 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.
- hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- dry pollen grain - dry, sputter coated with gold, photographer: Svojtka, M.
- exine surface of dry pollen grain - dry, sputter coated with gold, photographer: Svojtka, M.
- cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Svojtka, M.
- pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Svojtka, M.
- detail of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Svojtka, M.
- apertures - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Svojtka, M.
- generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Svojtka, M.
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:
Svojtka M., Heigl H., Halbritter H. 2020. Polemonium caeruleum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Polemonium_caeruleum/304371; accessed 2025-04-28