Datura stramonium
Taxonomy: Angiospermae, Solanales, Solanaceae, Datura
Published: 2016-08-11
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: colpate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): irregular, outline in polar view (dry pollen): irregular, infoldings (dry pollen): irregularly infolded, aperture number: 3, aperture type: colpus, aperture condition: colpate, tricolpate, aperture peculiarities: brevicolpus
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: -, sexine: -, SEM ornamentation SEM: no suitable term, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, cell number: 2-celled, Ubisch bodies: present
Author(s) of diagnosis: Bombosi, Paula
Pictures
Picture legend
- flower(s), photographer: Bombosi, P.
- polar view, upper focus - dry, acetolyzed, unstained, photographer: Bombosi, P.
- optical section - dry, acetolyzed, unstained, photographer: Bombosi, P.
- polar view, lower focus - dry, acetolyzed, unstained, photographer: Bombosi, P.
- pollen grain with vegetative nucleus (asterisk) and generative cell (arrow) - fixed, glutaraldehyde, aceto-carmine, photographer: Bombosi, P.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
- dry pollen grains - dry, sputter coated with gold, photographer: Bombosi, P.
- pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Bombosi, P.
- interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
- apertural area of pollen wall, intine (I) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
- vegetative nucleus (asterisk) and generative cell (arrow) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Bombosi, P.
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:
Bombosi P. 2016. Datura stramonium. In: PalDat - A palynological database. https://www.paldat.org/pub/Datura_stramonium/301315;jsessionid=AA17BA2DDE67A6BDF58AEF51F52BA654; accessed 2024-05-05