Aechmea comata
Taxonomy: Angiospermae, Poales, Bromeliaceae, Aechmea
Published: 2017-03-20
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): medium-sized (26-50 µm), pollen class: porate, polarity: -, shape: oblate, outline in polar view: elliptic, shape (dry pollen): polygonal, outline in polar view (dry pollen): irregular, infoldings (dry pollen): irregularly infolded, aperture number: 2, aperture type: porus, aperture condition: porate, diporate, aperture peculiarities: aperture membrane smooth
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
- Annotations
pollen grains heteropolar or isopolar; existence of Ubisch bodies questionable
Pictures
Picture legend
- hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated pollen - 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.
- 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.
- dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
- locule wall - dry, 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., Aechmea comata. In: PalDat (2017-03-20) - a palynological database. Published on the Internet https://www.paldat.org/pub/Aechmea_comata/303020;jsessionid=04FB4139A13B29A53B52593CA27E2820 [accessed 2018-04-21]