Vriesea gigantea
Taxonomy: Spermatophyta, Poales, Bromeliaceae, Vriesea
Published: 2012-06-24
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): large (51-100 µm), size of hydrated pollen (LM): -, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): -, shortest diameter in equatorial or polar view (LM): -, 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): -, P/E-ratio (dry pollen): -, shape (dry pollen): boat-shaped, outline in polar view (dry pollen): no suitable term, infoldings (dry pollen): aperture(s) sunken, aperture number: 1, aperture type: -, aperture condition: sulcate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Author(s) of diagnosis: Halbritter, H.
Pictures
1. polar distal view
2. equatorial view
3. equatorial view
4. detail of sulcus
5. sulcus border
6. exine surface
7. dry pollen grains
8. Ubisch bodies on inner anther wall
Picture legend
- polar distal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- detail of sulcus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- sulcus border - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydration (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, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Halbritter H. 2012. Vriesea gigantea. In: PalDat - A palynological database. https://www.paldat.org/pub/Vriesea_gigantea/210026; accessed 2025-07-08