Ephedra distachya
Taxonomy: Spermatophyta, Ephedrales, Ephedraceae, Ephedra
Published: 2010-02-03
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): -, 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: plicate, polarity: isopolar, P/E-ratio: oblate, shape: -, outline in polar view: -, dominant orientation (LM): -, P/E-ratio (dry pollen): oblate, shape (dry pollen): -, outline in polar view (dry pollen): -, infoldings (dry pollen): -, aperture number: none, aperture type: -, aperture condition: -, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: plicate, nexine: -, sexine: -, SEM ornamentation SEM: psilate, plicate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: -, cell number: -, Ubisch bodies: present
Author(s) of diagnosis: Halbritter, H.
Pictures
1. hydrated pollen grain
2. hydrated pollen grain
3. detail of exine surface (equator)
4. exine surface
5. exine surface
6. Ubisch bodies on inner anther wall
Picture legend
- hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- detail of exine surface (equator) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
Literature
Copyright and Citation
Cite this publication as:
Halbritter H. 2010. Ephedra distachya. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Ephedra_distachya/100439;jsessionid=5FC709F99E662E55AE3A519CB6B68553; accessed 2025-01-10