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PalDat - Palynological Database

an online publication on recent pollen

Viscum album

Taxonomy: Angiospermae, Santanales, Santalaceae, Viscum

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Viscum-album.htm

Published: 2023-02-24

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 41-50 µm,  shortest polar axis in equatorial view (LM): 41-50 µm,  longest polar axis in equatorial view (LM): 41-50 µm,  shortest diameter in equatorial or polar view (LM): 41-50 µm,  longest diameter in equatorial or polar view (LM): 41-50 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: oblate,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: lalongate, aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: clavate, bacculate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: baculate, fossulate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: In LM and SEM the aperture condition on hydrated pollen may be interpreted as colpate, which is also misinterpreted in literature (e.g., Reille 1992; Beug 2015); the lagongate endoporus of the colporus is only celarly visible on acetolyzed pollen grains in LM; pollen is therefore described as tricolporate (see also Feuer & Kuijt 1982).

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud; Gastaldi, Cristina

Pictures

male flowers

1. male flowers

detail of flower(s)

2. detail of flower(s)

hydrated Pollen

3. hydrated Pollen

hydrated Pollen

4. hydrated Pollen

hydrated Pollen

5. hydrated Pollen

acetolyzed pollen,polar view

6. acetolyzed pollen, polar view

acetolyzed pollen,polar view

7. acetolyzed pollen, polar view

acetolyzed pollen,polar view

8. acetolyzed pollen, polar view

acetolyzed pollen,polar view

9. acetolyzed pollen, polar view

acetolyzed pollen,polar view

10. acetolyzed pollen, polar view

acetolyzed pollen,equatorial view

11. acetolyzed pollen, equatorial view

acetolyzed pollen,equatorial view

12. acetolyzed pollen, equatorial view

acetolyzed pollen,equatorial view

13. acetolyzed pollen, equatorial view

acetolyzed pollen,equatorial view

14. acetolyzed pollen, equatorial view

polar view

15. polar view

equatorial view

16. equatorial view

detail of aperture

17. detail of aperture

exine surface

18. exine surface

dry pollen grains

19. dry pollen grains

Picture legend

  1. male flowers, photographer: Schneider, H.
  2. detail of flower(s), photographer: Schneider, H.
  3. hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
  4. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  6. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  7. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  8. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  9. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  10. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  11. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  12. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  13. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  14. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  15. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  17. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  18. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  19. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

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Copyright and Citation

Cite this publication as:

Halbritter H., Auer W., Gastaldi C., Schneider H. 2023. Viscum album. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Viscum_album/306608; accessed 2025-04-27

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