Allium ursinum
Taxonomy: Angiospermae, Asparagales, Amaryllidaceae, Allium
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Allium-ursinum.htm
Published: 2021-05-31
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): 16-20 µm, 26-30 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): 26-30 µm, shortest diameter in equatorial or polar view (LM): 16-20 µm, longest diameter in equatorial or polar view (LM): -, pollen class: sulcate, polarity: heteropolar, P/E-ratio: oblate, shape: -, outline in polar view: elliptic, dominant orientation (LM): equatorial, P/E-ratio (dry pollen): -, shape (dry pollen): boat-shaped, outline in polar view (dry pollen): elliptic, infoldings (dry pollen): aperture(s) sunken, aperture number: 1, aperture type: sulcus, aperture condition: sulcate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: rugulate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: absent, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 2-celled, Ubisch bodies: present
Author(s) of diagnosis: Halbritter, Heidemarie; Aktuna, Gabriela; Heigl, Helmut; Auer, Waltraud
Pictures
Picture legend
- flower(s), photographer: Aktuna, G.
- pollen grain after acetolysis - fresh, acetolyzed, unstained, photographer: Aktuna, G.
- pollen grain with generative cell (asterisk) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar proximal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
- dry pollen grain in polar view (proximal) - dry, sputter coated with gold, photographer: Aktuna, G.
- pollen grains in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
Literature
- (2008) A new species of Allium (Alliaceae) from Dalmatia, Croatia Botanical Journal of the Linnean Society 158: 106-114
- (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:
Halbritter H., Aktuna G., Heigl H., Auer W. 2021. Allium ursinum. In: PalDat - A palynological database. https://www.paldat.org/pub/Allium_ursinum/306070;jsessionid=041426CB9C40640879B6B9ECE825D62E; accessed 2024-05-01