Asimina triloba
Taxonomy: Angiospermae, Magnoliales, Annonaceae, Asimina
Published: 2024-04-23
Pollen Description
Shape, Size and Aperture
pollen unit: tetrad, dispersal unit and peculiarities: tetrad planar, tetrad decussate, size (pollen unit): very large (>100 µm), size of hydrated pollen (LM): >100 µm, shortest polar axis in equatorial view (LM): 51-100 µm, longest polar axis in equatorial view (LM): >100 µm, shortest diameter in equatorial or polar view (LM): >100 µm, longest diameter in equatorial or polar view (LM): >100 µm, pollen class: tetrad, inaperturate, polarity: heteropolar, P/E-ratio: oblate, shape: rounded cuboid, outline in polar view: -, dominant orientation (LM): oblique, P/E-ratio (dry pollen): -, shape (dry pollen): -, outline in polar view (dry pollen): -, infoldings (dry pollen): -, aperture number: 1, aperture type: sulcus, aperture condition: sulcate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: verrucate, scabrate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, perforate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
Annotations: proximal germination area
Author(s) of diagnosis: Heigl, Helmut; Halbritter, Heidemarie
Pictures
Picture legend
- 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.
- tetrads - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- tetrad - 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.
- 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.
- planar tetrad, dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
- descussate tetrad, dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
- (2009) Beschorneria yuccoides and Asimina triloba (L.) Dun: Examples for proximal polar germinating pollen in angiosperms. Grana 51: 148-157
Copyright and Citation
Cite this publication as:
Heigl H., Halbritter H. 2024. Asimina triloba. In: PalDat - A palynological database. https://www.paldat.org/pub/Asimina_triloba/306710; accessed 2024-10-31