Rumex obtusifolius
Taxonomy: Angiospermae, Caryophyllales, Polygonaceae, Rumex
Published: 2016-08-08
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): small (10-25 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: -, P/E-ratio: -, shape: -, outline in polar view: -, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): -, outline in polar view (dry pollen): -, infoldings (dry pollen): -, aperture number: 3, aperture type: colporus, aperture condition: colporate, tricolporate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: -, sexine: -, SEM ornamentation SEM: -, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: 3-celled, Ubisch bodies: present
Author(s) of diagnosis: Sam, Saskia
Pictures
Picture legend
- flowers of Rumex obtusifolius, photographer: Sam, S.
- pollen grain with generative cell and vegetative nucleus - fresh, unfixed, aceto-carmine, photographer: Sam, S.
- upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
- optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
- lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- vegetative nucleus (left) and generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
- Ubisch bodies on inner anther wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Sam, S.
Literature
- (1994) Exkursionsflora von Österreich : 1180
- (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:
Sam S. 2016. Rumex obtusifolius. In: PalDat - A palynological database. https://www.paldat.org/pub/Rumex_obtusifolius/301290;jsessionid=EB9625C5A110AEBB2836CB584DFE4643; accessed 2024-04-20