Ornithogalum nutans
Taxonomy: Angiospermae, Asparagales, Asparagaceae, Ornithogalum
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Honorius-nutans.htm
Published: 2020-12-29
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): large (51-100 µm), size of hydrated pollen (LM): 51-100 µm, shortest polar axis in equatorial view (LM): 51-100 µm, longest polar axis in equatorial view (LM): 51-100 µm, shortest diameter in equatorial or polar view (LM): -, longest diameter in equatorial or polar view (LM): -, pollen class: sulcate, polarity: heteropolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): equatorial, P/E-ratio (dry pollen): -, shape (dry pollen): boat-shaped, outline in polar view (dry pollen): -, infoldings (dry pollen): aperture(s) sunken, aperture number: 1, aperture type: sulcus, aperture condition: sulcate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, suprasculpture SEM: -, TEM tectum: semitectate, 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: Loos, Claudia; Heigl, Helmut
Pictures
1. flower(s)
2. pollen grain with generative cell (asterisk)
3. equatorial view
4. hydrated pollen
5. hydrated pollen
6. hydrated pollen
7. polar view (distal)
8. equatorial view
9. detail of aperture
10. exine surface
11. dry pollen grains
12. dry pollen grain in equatorial view
13. pollen grain in cross section
14. interapertural area of pollen wall
15. aperture
Picture legend
- flower(s), photographer: Loos, C.
- pollen grain with generative cell (asterisk) - fresh, glutaraldehyde, aceto-carmine, photographer: Loos, C.
- equatorial view - fresh, acetolyzed, unstained, photographer: Loos, C.
- 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 (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- dry pollen grains - dry, sputter coated with gold, photographer: Loos, C.
- dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Loos, C.
- pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
- aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
Literature
- (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
- (1994) Exkursionsflora von Österreich : 1180
Copyright and Citation
Cite this publication as:
Loos C., Heigl H. 2020. Ornithogalum nutans. In: PalDat - A palynological database. https://www.paldat.org/pub/Ornithogalum_nutans/304756;jsessionid=C7D1E5049CB04A320C713B3A948D27F4; accessed 2024-04-28