Cyrtosperma beccarianum
Taxonomy: Angiospermae, Alismatales, Araceae, Cyrtosperma
Published: 2016-10-27
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): -, 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: ulcerate, polarity: heteropolar, 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 number: 1, aperture type: ulcus, aperture condition: ulcerate, aperture peculiarities: aperture membrane psilate
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, foveolate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: granular, foot layer: continuous, endexine: spongy-continuous, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Author(s) of diagnosis: Weber, Martina; Halbritter, Heidemarie
Pictures
Picture legend
- polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar view (proximal) - 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.
- pollen wall (interapertural area) - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, 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:
Weber M., Halbritter H. 2016. Cyrtosperma beccarianum. In: PalDat - A palynological database. https://www.paldat.org/pub/Cyrtosperma_beccarianum/301773; accessed 2024-10-31