Corylus colurna
Taxonomy: Spermatophyta, Fagales, Betulaceae, Corylus
Published: 2005-06-01
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: porate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): irregular, outline in polar view (dry pollen): irregular, infoldings (dry pollen): irregularly infolded, aperture number: 3, aperture type: porus, aperture condition: porate, triporate, aperture peculiarities: operculum, oncus, annulus
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, rugulate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: granular, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: absent, reserves in cytoplasm: starch, cell number: 2-celled, Ubisch bodies: present
Author(s) of diagnosis: Halbritter, Heidemarie; Diethart, Bernadette
Pictures
1. male flowers of Corylus colurna
2. pollen grain with generative cell
3. upper focus
4. optical section
5. lower focus
6. polar view
7. equatorial view
8. aperture
9. exine surface
10. dry pollen grains
11. slightly oblique polar view of dry pollen grain
12. equatorial view
13. anther wall with Ubisch bodies
14. interapertural area of pollen wall
15. anther wall with Ubisch bodies in loculus
Picture legend
- male flowers of Corylus colurna, photographer: Halbritter, H.
- pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Diethart, B.
- upper focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
- optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
- lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
- polar view - fresh, DMP & critical point dried, photographer: Halbritter, H.
- equatorial view - fresh, DMP & critical point dried, photographer: Halbritter, H.
- aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
- exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- slightly oblique polar view of dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
- equatorial view - dry, sputter coated with gold, photographer: Diethart, B.
- anther wall with Ubisch bodies - dry, sputter coated with gold, photographer: Diethart, B.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
- anther wall with Ubisch bodies in loculus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
Literature
- (2003) Betulaceae and Corylaceae. In: The Northwest European Pollen Flora 65. Rev Palaeobot Palynol 123: 71-98
- (1994) Exkursionsflora von Österreich : 1180
- (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., Diethart B. 2005. Corylus colurna. In: PalDat - A palynological database. https://www.paldat.org/pub/Corylus_colurna/108750;jsessionid=1FAFCC47D61AC658ACCDD3396242C401; accessed 2024-04-19