Solidago canadensis
Taxonomy: Angiospermae, Asterales, Asteraceae, Solidago
Published: 2016-07-18
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): small (10-25 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: colporate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): lobate, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colporus, aperture condition: colporate, tricolporate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: echinate, nexine: -, sexine: -, SEM ornamentation SEM: echinate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: -, cell number: 3-celled, Ubisch bodies: absent
Annotations: dry pollen grains also irregularly infolded; apertures sometimes not infolded
Author(s) of diagnosis: Diethart, Bernadette
Pictures
1. flowers of Solidago canadensis
2. flowers of Solidago canadensis
3. pollen grain with vegetative nucleus (left) and two sperm cells
4. upper focus
5. optical section
6. lower focus
7. polar view
8. equatorial view
9. aperture
10. detail of aperture
11. exine surface
12. dry pollen grains
13. dry pollen grain
14. pollen grain in cross section
15. interapertural area of pollen wall
16. apertural area of pollen wall
17. pollen wall at transition of aperture and interapertural area
Picture legend
- flowers of Solidago canadensis, photographer: Diethart, B.
- flowers of Solidago canadensis, photographer: Diethart, B.
- pollen grain with vegetative nucleus (left) and two sperm cells - fresh, aceto-carmine, photographer: Diethart, B.
- upper focus - fresh, acetolyzed, photographer: Diethart, B.
- optical section - fresh, acetolyzed, photographer: Diethart, B.
- lower focus - fresh, acetolyzed, photographer: Diethart, B.
- polar view - fresh, DMP & critical point dried, photographer: Diethart, B.
- equatorial view - fresh, DMP & critical point dried, photographer: Diethart, B.
- aperture - fresh, DMP & critical point dried, photographer: Diethart, B.
- detail of aperture - fresh, DMP & critical point dried, photographer: Diethart, B.
- exine surface - fresh, DMP & critical point dried, photographer: Diethart, B.
- dry pollen grains - dry, photographer: Diethart, B.
- dry pollen grain - dry, photographer: Diethart, B.
- pollen grain in cross section, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
- interapertural area of pollen wall, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
- apertural area of pollen wall, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
- pollen wall at transition of aperture and interapertural area, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
Literature
- (1984) On the terminology, origins and functions of caveate pollen in Compositae. Rev Palaeobot Palynol 43: 293-301
- (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
- (1994) Exkursionsflora von Österreich : 1180
Copyright and Citation
Cite this publication as:
Diethart B. 2016. Solidago canadensis. In: PalDat - A palynological database. https://www.paldat.org/en/pub/Solidago_canadensis/301210; accessed 2025-05-04