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an online publication on recent pollen

Chenopodium album

Taxonomy: Angiospermae, Caryophyllales, Amaranthaceae, Chenopodium

Published: 2016-07-13

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: porate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  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: operculum, pantoaperturate

Ornamentation and Structure

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

Miscellaneous

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

Annotations

condition of endexine not clear

Author(s) of diagnosis: Diethart, Bernadette

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

flower(s)

3. flower(s)

pollen grain with two sperm cells and vegetative nucleus

4. pollen grain with two sperm cells and vegetative nucleus

upper focus

5. upper focus

optical section

6. optical section

lower focus

7. lower focus

hydrated pollen grain

8. hydrated pollen grain

apertures and exine surface

9. apertures and exine surface

dry pollen grains

10. dry pollen grains

dry pollen grain

11. dry pollen grain

anther wall with Ubisch bodies

12. anther wall with Ubisch bodies

Ubisch bodies

13. Ubisch bodies

pollen grain in cross section

14. pollen grain in cross section

interapertural area of pollen wall

15. interapertural area of pollen wall

interapertural area of pollen wall

16. interapertural area of pollen wall

apertural area of pollen wall

17. apertural area of pollen wall

Picture legend

  1. habitus, photographer: Diethart, B.
  2. flower(s), photographer: Diethart, B.
  3. flower(s), photographer: Diethart, B.
  4. pollen grain with two sperm cells and vegetative nucleus - fresh, rehydrated (water), aceto-carmine, photographer: Diethart, B.
  5. upper focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  6. optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
  7. lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  8. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  9. apertures and exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Diethart, B.
  11. dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
  12. anther wall with Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  13. Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  14. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  15. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  16. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
  17. 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
  • FISCHER MA, ADLER W, OSWALD K (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 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:

Diethart B. 2016. Chenopodium album. In: PalDat - A palynological database. https://www.paldat.org/pub/Chenopodium_album/301211;jsessionid=F5CDFF7B1F2EB23A75A2C1E594C4351F; accessed 2018-11-18

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