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PalDat - Palynological Database

an online publication on recent pollen

Artemisia dracunculus

Taxonomy: Angiospermae, Asterales, Asteraceae, Artemisia

Published: 2016-07-19

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, triporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: echinate,  nexine: -,  sexine: -,  SEMornamentation SEM: echinate, granulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: 3-celled,  Ubisch bodies: absent

Author(s) of diagnosis: Sam, Saskia

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

pollen grain with vegetative nucleus and sperm cells

3. pollen grain with vegetative nucleus and sperm cells

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

equatorial view

7. equatorial view

detail of aperture

8. detail of aperture

exine surface

9. exine surface

dry pollen grains

10. dry pollen grains

polar view (dry pollen grain)

11. polar view (dry pollen grain)

dry pollen grain in equatorial view

12. dry pollen grain in equatorial view

Picture legend

  1. habitus, photographer: Sam, S.
  2. flower(s), photographer: Sam, S.
  3. pollen grain with vegetative nucleus and sperm cells - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  4. upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  5. optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
  6. lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  8. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Sam, S.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  11. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Sam, S.
  12. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Sam, S.

Literature

  • 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:

Sam S. 2016. Artemisia dracunculus. In: PalDat - A palynological database. https://www.paldat.org/pub/Artemisia_dracunculus/301253;jsessionid=2C833734D25099C207FE5E50C5AF3881; accessed 2018-11-15

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