Urospermum dalechampii
Taxonomy: Angiospermae, Asterales, Asteraceae, Urospermum
Published: 2021-02-22
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): 31-35 µm, shortest polar axis in equatorial view (LM): 26-30 µm, longest polar axis in equatorial view (LM): 31-35 µm, shortest diameter in equatorial or polar view (LM): 31-35 µm, longest diameter in equatorial or polar view (LM): 31-35 µm, pollen class: lophate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): -, shape (dry pollen): polygonal, outline in polar view (dry pollen): polygonal, infoldings (dry pollen): aperture(s) sunken, interapertural area sunken, aperture number: 3, aperture type: colporus, aperture condition: colporate, tricolporate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: lophate, echinate, nexine: -, sexine: -, SEM ornamentation SEM: echinate, lophate, microreticulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: absent
Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut
Pictures
Picture legend
- habitus, flower bud, photographer: Weis, B.
- flower(s), photographer: Weis, B.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- oblique view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Halbritter H., Heigl H., Weis B. 2021. Urospermum dalechampii. In: PalDat - A palynological database. https://www.paldat.org/pub/Urospermum_dalechampii/305428; accessed 2024-11-01