Ribes petraeum
Taxonomy: Angiospermae, Saxifragales, Grossulariaceae, Ribes
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Ribes-petraeum.htm
Published: 2021-01-04
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): 26-30 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 26-30 µm, longest diameter in equatorial or polar view (LM): 26-30 µm, pollen class: porate, polarity: -, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): -, shape (dry pollen): irregular, outline in polar view (dry pollen): irregular, infoldings (dry pollen): aperture(s) sunken, aperture number: >6, aperture type: porus, aperture condition: pantoporate, porate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: verrucate, gemmate, scabrate, nexine: -, sexine: -, SEM ornamentation SEM: psilate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
Annotations: 1 or 2 pores mostly situated on "apertural areas"
Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud
Pictures
Picture legend
- inflorescence of Ribes petraeum, photographer: Halbritter, H.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated pollen grain - fresh, DMP & critical point dried, photographer: Halbritter, H.
- hydrated pollen grain - fresh, DMP & critical point dried, photographer: Halbritter, H.
- aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface in apertural area - fresh, DMP & critical point dried, photographer: Halbritter, H.
- dry pollen grains - dry, photographer: Halbritter, H.
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:
Halbritter H., Auer W. 2021. Ribes petraeum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Ribes_petraeum/304865; accessed 2025-04-28