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PalDat - Palynological Database

an online publication on recent pollen

Allium ursinum

Taxonomy: Angiospermae, Asparagales, Amaryllidaceae, Allium

Published: 2016-10-18

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: oblate,  outline in polar view: elliptic,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): elliptic,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Aktuna, Gabriela

Pictures

flower(s)

1. flower(s)

pollen grain after acetolysis

2. pollen grain after acetolysis

pollen grain with generative cell (asterisk) and vegetative nucleus

3. pollen grain with generative cell (asterisk) and vegetative nucleus

polar view (distal)

4. polar view (distal)

polar proximal  view

5. polar proximal view

equatorial view

6. equatorial view

detail of aperture

7. detail of aperture

exine surface

8. exine surface

dry pollen grains

9. dry pollen grains

dry pollen grain in polar view (distal)

10. dry pollen grain in polar view (distal)

dry pollen grain in polar view (proximal)

11. dry pollen grain in polar view (proximal)

pollen grains in cross section

12. pollen grains in cross section

interapertural area of pollen wall

13. interapertural area of pollen wall

apertural area of pollen wall

14. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

15. pollen wall at transition of aperture and interapertural area

Picture legend

  1. flower(s), photographer: Aktuna, G.
  2. pollen grain after acetolysis - fresh, acetolyzed, unstained, photographer: Aktuna, G.
  3. pollen grain with generative cell (asterisk) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
  4. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar proximal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
  11. dry pollen grain in polar view (proximal) - dry, sputter coated with gold, photographer: Aktuna, G.
  12. pollen grains in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  13. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  14. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  15. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.

Literature

  • Bogdanović S, Brullo S, Mitić B, Salmeri C (2008) A new species of Allium (Alliaceae) from Dalmatia, Croatia Botanical Journal of the Linnean Society 158: 106-114
  • 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., Aktuna G. 2016. Allium ursinum. In: PalDat - A palynological database. https://www.paldat.org/pub/Allium_ursinum/301566;jsessionid=C717CA526ECA8478BF61C60A5D1243C1; accessed 2018-11-15

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