Scorzonera austriaca
Taxonomy: Spermatophyta, Asterales, Asteraceae, Scorzonera
Published: 2005-06-01
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): -, 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: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): -, outline in polar view (dry pollen): -, 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: echinate, nexine: -, sexine: -, SEM ornamentation SEM: echinate, microreticulate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Annotations: Dry pollen not or only slightly infolded.
Author(s) of diagnosis: Halbritter, H.; Svojtka, M.
Pictures
1. inflorescence(s)
2. polar view
3. polar view (oblique)
4. equatorial view
5. equatorial view
6. aperture
7. exine surface
8. polar area
9. dry pollen grains
Picture legend
- inflorescence(s), photographer: Svojtka, M.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar view (oblique) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
- (1982) A functional interpretation of Lactuceae (Compositae) pollen. Pl Syst Evol 141: 153-168
- (1987) Observations on the substructural organisation of the exine in Fagus sylvatica L. (Fagaceae) and Scorzonera hispanica L. (Compositae: Lactuceae). Rev Palaeobot Palynol 53: 175-184
- (1986) Pollen wall structure, a new interpretation. Scan Electron Microscop I: 291-299
Copyright and Citation
Cite this publication as:
Halbritter H., Svojtka M. 2005. Scorzonera austriaca. In: PalDat - A palynological database. https://www.paldat.org/en/pub/Scorzonera_austriaca/105226; accessed 2025-05-04