Narthecium ossifragum
Taxonomy: Angiospermae, Liliales, Melanthiaceae, Narthecium
Published: 2020-12-27
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): 21-25 µm, 16-20 µm, shortest polar axis in equatorial view (LM): 16-20 µm, longest polar axis in equatorial view (LM): 21-25 µm, shortest diameter in equatorial or polar view (LM): 16-20 µm, longest diameter in equatorial or polar view (LM): 16-20 µm, 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): -, infoldings (dry pollen): aperture(s) sunken, aperture number: 1, aperture type: sulcus, aperture condition: sulcate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Annotations: size: small to medium
Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud
Pictures
Picture legend
- 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.
- polar distal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar proximal view (oblique) - 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.
- sulcus border - 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.
- Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & sputter coated with gold, 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. 2020. Narthecium ossifragum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Narthecium_ossifragum/304722; accessed 2025-04-28