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PalDat - Palynological Database

an online publication on recent pollen

Chenopodium hybridum

Taxonomy: Angiospermae, Caryophyllales, Amaranthaceae, Chenopodium

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Chenopodium-hybridum.htm

Published: 2021-01-18

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): 16-20 µm, 21-25 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): 21-25 µm,  shortest diameter in equatorial or polar view (LM): 21-25 µm,  longest diameter in equatorial or polar view (LM): 21-25 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: pantoaperturate, aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: gemmate, verrucate, scabrate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt, primexine matrix,  reserves in cytoplasm: lipids, starch, polysaccharide vesicles,  cell number: 3-celled,  Ubisch bodies: present

Annotations: conditiion of endexine not clear: might be compact-discontinuous

Author(s) of diagnosis: Halbritter, Heidemarie; Diethart, Bernadette; Auer, Waltraud

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

pollen grain with two sperm cells

3. pollen grain with two sperm cells

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

hydrated pollen

7. hydrated pollen

hydrated pollen

8. hydrated pollen

hydrated pollen

9. hydrated pollen

hydrated pollen grain

10. hydrated pollen grain

apertures

11. apertures

exine surface

12. exine surface

dry pollen grains

13. dry pollen grains

dry pollen grain

14. dry pollen grain

dry pollen grain

15. dry pollen grain

anther wall with Ubisch bodies

16. anther wall with Ubisch bodies

pollen grain in cross section

17. pollen grain in cross section

interapertural area of pollen wall

18. interapertural area of pollen wall

interapertural area of pollen wall

19. interapertural area of pollen wall

apertural area of pollen wall

20. apertural area of pollen wall

apertural area of pollen wall

21. apertural area of pollen wall

apertural area of pollen wall

22. apertural area of pollen wall

Picture legend

  1. habitus, photographer: Diethart, B.
  2. flower(s), photographer: Halbritter, H.
  3. pollen grain with two sperm cells - fresh, unfixed, aceto-carmine, photographer: Diethart, B.
  4. upper focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  5. optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
  6. lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  7. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  8. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  9. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  10. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. apertures - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  14. dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
  15. dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
  16. anther wall with Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  17. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  18. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
  19. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
  20. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
  21. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
  22. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Diethart, B.

Literature

  • De FRA (1969) Development and histochemistry of the endothecium in the anthers of in vitro grown Chenopodium rubrum L. Bot Gaz 130: 10-22
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • Halbritter, H (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., Auer W. 2021. Chenopodium hybridum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Chenopodium_hybridum/304988;jsessionid=D9FF949A7642DE03D2C0FB0B8B93C544; accessed 2025-01-25

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