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PalDat - Palynological Database

an online publication on recent pollen

Ornithogalum nutans

Taxonomy: Angiospermae, Asparagales, Asparagaceae, Ornithogalum

Published: 2016-11-28

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: microreticulate,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: -,  cell number: 2-celled,  Ubisch bodies: absent

Author(s) of diagnosis: Loos, Claudia

Pictures

flower(s)

1. flower(s)

pollen grain with generative cell (asterisk)

2. pollen grain with generative cell (asterisk)

equatorial view

3. equatorial view

polar view (distal)

4. polar view (distal)

equatorial view

5. equatorial view

detail of aperture

6. detail of aperture

exine surface

7. exine surface

dry pollen grains

8. dry pollen grains

dry pollen grain in equatorial view

9. dry pollen grain in equatorial view

pollen grain in cross section

10. pollen grain in cross section

interapertural area of pollen wall

11. interapertural area of pollen wall

aperture

12. aperture

Picture legend

  1. flower(s), photographer: Loos, C.
  2. pollen grain with generative cell (asterisk) - fresh, glutaraldehyde, aceto-carmine, photographer: Loos, C.
  3. equatorial view - fresh, acetolyzed, unstained, photographer: Loos, C.
  4. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  5. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  6. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  7. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  8. dry pollen grains - dry, sputter coated with gold, photographer: Loos, C.
  9. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Loos, C.
  10. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  11. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  12. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.

Literature

  • 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:

Loos C. 2016. Ornithogalum nutans. In: PalDat - A palynological database. https://www.paldat.org/pub/Ornithogalum_nutans/302367;jsessionid=EB3BA89C046E1538A369F1C6591433FA; accessed 2018-11-21

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