Ranunculus ficaria
Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Ranunculus
Annotations: Synonym: Ficaria verna
Published: 2016-10-21
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: colpate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): lobate, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colpus, aperture condition: colpate, tricolpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-discontinuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: present
Annotations: cellular condition also 3-cellular (in mature anthers)
Author(s) of diagnosis: Oberschneider, Wolfgang
Pictures
Picture legend
- flower(s), photographer: Svojtka, M.
- flower(s), photographer: Svojtka, M.
- upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- polar view - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- equatorial view - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- detail of aperture - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- exine surface - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
- aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
- generative cell (left) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
- pollen wall and tapetum cells with Ubisch bodies (asterisk) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
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:
Oberschneider W., Svojtka M. 2016. Ranunculus ficaria. In: PalDat - A palynological database. https://www.paldat.org/pub/Ranunculus_ficaria/301728;jsessionid=DB89FB03DFD4B215DD67DBBA85B2D89C; accessed 2024-11-01