Periploca gracilis
Taxonomy: Spermatophyta, Gentianales, Asclepiadaceae, Periploca
Published: 2012-07-16
Pollen Description
Shape, Size and Aperture
pollen unit: tetrad, dispersal unit and peculiarities: tetrad planar, tetrad, 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: tetrad, polarity: heteropolar, P/E-ratio: -, shape: no suitable term, outline in polar view: no suitable term, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): no suitable term, outline in polar view (dry pollen): no suitable term, infoldings (dry pollen): not infolded, aperture number: number varies, aperture type: -, aperture condition: porate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: psilate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Annotations: tetrads form more or less loosely connected aggregations of different shape and size, which are not interpretable as pollinia; the translator - a secretion of the stigma - is composed of adhesive disc, stipe and spoon, the latter carries the pollen tetrads on a sticky surface
Author(s) of diagnosis: Halbritter, H.; Svojtka, M.
Pictures
Picture legend
- flower(s), photographer: Svojtka, M.
- translator with tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
- translator with tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
- translator - dry, sputter coated with gold, photographer: Halbritter, H.
- translator - dry, sputter coated with gold, photographer: Halbritter, H.
- aggregation of tetrads (on translator) - dry, sputter coated with gold, photographer: Halbritter, H.
- aggregation of tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
- hydrated tetrads - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- apertures - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- apertures - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- apertures - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
- Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Halbritter H., Svojtka M. 2012. Periploca gracilis. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Periploca_gracilis/203713; accessed 2025-04-28