Launaea angustifolia
Taxonomy: Angiospermae, Asterales, Asteraceae, Launaea
Links: https://flora.org.il/en/plants/LAUANG/
Published: 2021-05-07
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): 21-25 µm, longest polar axis in equatorial view (LM): 26-30 µm, shortest diameter in equatorial or polar view (LM): 21-25 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): -, outline in polar view (dry pollen): -, infoldings (dry pollen): -, 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: -, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: 3-celled, Ubisch bodies: -
Author(s) of diagnosis: Koelzer, Karen
Pictures
Picture legend
- habitus, photographer: Koelzer, K.
- acetolyzed pollen, polar view - dry, acetolyzed & glycerine, unstained, photographer: Koelzer, K.
- acetolyzed pollen - dry, acetolyzed & glycerine, unstained, photographer: Koelzer, K.
- hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Koelzer, K.
- hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Koelzer, K.
- hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Koelzer, K.
- hydrated pollen, equatorial view - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
- hydrated pollen, polar view - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
- hydrated pollen, sperm cells - dry, glycerine, aceto-carmine, photographer: Koelzer, K.
Literature
Copyright and Citation
Cite this publication as:
Koelzer K. 2021. Launaea angustifolia. In: PalDat - A palynological database. https://www.paldat.org/pub/Launaea_angustifolia/305932;jsessionid=704AD664FBD3214D0FCF37593F26396F; accessed 2024-05-28