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PalDat - Palynological Database

an online publication on recent pollen

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),  pollen class: colporate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  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

LMornamentation LM: echinate,  nexine: -,  sexine: -,  SEMornamentation SEM: echinate, perforate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

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

flowers of Solidago canadensis

1. flowers of Solidago canadensis

flowers of Solidago canadensis

2. flowers of Solidago canadensis

pollen grain with vegetative nucleus (left) and two sperm cells

3. pollen grain with vegetative nucleus (left) and two sperm cells

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

polar view

7. polar view

equatorial view

8. equatorial view

aperture

9. aperture

detail of aperture

10. detail of aperture

exine surface

11. exine surface

dry pollen grains

12. dry pollen grains

dry pollen grain

13. dry pollen grain

pollen grain in cross section

14. pollen grain in cross section

interapertural area of pollen wall

15. interapertural area of pollen wall

apertural area of pollen wall

16. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

17. pollen wall at transition of aperture and interapertural area

Picture legend

  1. flowers of Solidago canadensis, photographer: Diethart, B.
  2. flowers of Solidago canadensis, photographer: Diethart, B.
  3. pollen grain with vegetative nucleus (left) and two sperm cells - fresh, aceto-carmine, photographer: Diethart, B.
  4. upper focus - fresh, acetolyzed, photographer: Diethart, B.
  5. optical section - fresh, acetolyzed, photographer: Diethart, B.
  6. lower focus - fresh, acetolyzed, photographer: Diethart, B.
  7. polar view - fresh, DMP & critical point dried, photographer: Diethart, B.
  8. equatorial view - fresh, DMP & critical point dried, photographer: Diethart, B.
  9. aperture - fresh, DMP & critical point dried, photographer: Diethart, B.
  10. detail of aperture - fresh, DMP & critical point dried, photographer: Diethart, B.
  11. exine surface - fresh, DMP & critical point dried, photographer: Diethart, B.
  12. dry pollen grains - dry, photographer: Diethart, B.
  13. dry pollen grain - dry, photographer: Diethart, B.
  14. pollen grain in cross section, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  15. interapertural area of pollen wall, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  16. apertural area of pollen wall, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  17. pollen wall at transition of aperture and interapertural area, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.

Literature

  • Blackmore S, Van HH, Punt W (1984) On the terminology, origins and functions of caveate pollen in Compositae. Rev Palaeobot Palynol 43: 293-301
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • Adler W, Oswald K, Fischer R. (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/pub/Solidago_canadensis/301210;jsessionid=44385F6491BED78057C51C5059DBCD25; accessed 2018-11-15

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