Mahonia aquifolium
Taxonomy: Angiospermae, Ranunculales, Berberidaceae, Mahonia
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Mahonia-aquifolium.htm
Published: 2020-11-23
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): 41-50 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): 41-50 µm, longest diameter in equatorial or polar view (LM): 41-50 µm, pollen class: clypeate, polarity: -, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): -, shape (dry pollen): spheroidal, outline in polar view (dry pollen): circular, infoldings (dry pollen): aperture(s) sunken, not infolded, aperture number: 6, aperture type: colpus, aperture condition: colpate, pantocolpate, syncolpate, aperture peculiarities: synaperturate, pantoaperturate
Ornamentation and Structure
LM ornamentation LM: scabrate, gemmate, verrucate, nexine: -, sexine: -, SEM ornamentation SEM: psilate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: absent, foot layer: absent, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: absent
Author(s) of diagnosis: Oberschneider, Wolfgang; Halbritter, Heidemarie; Weber, Martina; Enache, Monica; Auer, Waltraud
Pictures
Picture legend
- flower(s), photographer: Oberschneider, W.
- inflorescence(s), photographer: Enache, M.
- acetolysed pollen grains, partially broken up - fresh, acetolyzed, unstained, photographer: Halbritter, H.
- upper polar focus of pollen grain - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- hydrated pollen - fresh, glycerine, toluidine blue, photographer: Enache, M.
- hydrated pollen - fresh, glycerine, toluidine blue, photographer: Enache, M.
- hydrated pollen - fresh, glycerine, toluidine blue, photographer: Enache, M.
- 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, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated pollen grain - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- hydrated pollen grain - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- detail of aperture - fresh, rehydration (water) & chloroform & DMP & critical point dried, photographer: Oberschneider, W.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- pollen grain in cross section, vegetative nucleus (asterisk) and generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
- pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
- aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
Literature
- (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
- (1979) Aspects ultrastructuraux de l'ontogénie du pollen et du tapis chez Mahonia aquifolium Nutt. Berberidaceae. Pollen et Spores 21: 259-278
- (1974) Caractères ultrastructuraux et cytochimiques particuliers du sporoderme des pollens de Berberis vulgaris L. et de Mahonia aquifolium Nutt. CR Acad Sc Paris 278: 1475-1477
- (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:
Oberschneider W., Halbritter H., Weber M., Enache M., Auer W. 2020. Mahonia aquifolium. In: PalDat - A palynological database. https://www.paldat.org/pub/Mahonia_aquifolium/303901; accessed 2024-11-01