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an online publication on recent pollen

Papaver alpinum

Taxonomy: Angiospermae, Ranunculales, Papaveraceae, Papaver

Published: 2016-10-21

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colpate,  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: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Annotations

endexine sporadically interrupted

Author(s) of diagnosis: Auer, Angelika; Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

polar view (proximal)

2. polar view (proximal)

optical section

3. optical section

polar view (distal)

4. polar view (distal)

pollen grain with generative cell

5. pollen grain with generative cell

polar view (oblique)

6. polar view (oblique)

polar view

7. polar view

equatorial view

8. equatorial view

equatorial view

9. equatorial view

aperture

10. aperture

detail of aperture

11. detail of aperture

detail of colpus membrane

12. detail of colpus membrane

exine surface

13. exine surface

exine surface

14. exine surface

polar area

15. polar area

dry pollen grains

16. dry pollen grains

polar view (dry pollen grain)

17. polar view (dry pollen grain)

dry pollen grain in equatorial view

18. dry pollen grain in equatorial view

locular wall with Ubisch bodies

19. locular wall with Ubisch bodies

Ubisch bodies on locular wall

20. Ubisch bodies on locular wall

interapertural area of pollen wall, intine (I), endexine (E)

21. interapertural area of pollen wall, intine (I), endexine (E)

apertural area of pollen wall, intine (I), endexine (E)

22. apertural area of pollen wall, intine (I), endexine (E)

tapetum cells with Ubisch bodies (U)

23. tapetum cells with Ubisch bodies (U)

Picture legend

  1. flower(s), photographer: Auer, A.
  2. polar view (proximal) - fresh, acetolyzed, unstained, photographer: Auer, A.
  3. optical section - fresh, acetolyzed, unstained, photographer: Auer, A.
  4. polar view (distal) - fresh, acetolyzed, unstained, photographer: Auer, A.
  5. pollen grain with generative cell - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Auer, A.
  6. polar view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  8. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  10. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. detail of colpus membrane - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  13. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  15. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  17. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Auer, A.
  18. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Auer, A.
  19. locular wall with Ubisch bodies - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  20. Ubisch bodies on locular wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  21. interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Auer, A.
  22. apertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Auer, A.
  23. tapetum cells with Ubisch bodies (U) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.

Literature

  • Cresti M, Milanesi C, Salvatici P, Van Aelst AC (1990) Ultrastructural observations of Papaver rhoeas mature pollen grains. Bot Acta 103: 349-354
  • Oberschneider W (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
  • Van Aelst AC, Mueller T, Dueggelin M, Guggenheim R (1989) Three-dimensional observations on freeze-fractured frozen hydrated Papaver dubium pollen with cryo-scanning electron microscopy. Acta Bot Neerl 38: 25-30
  • Van Aelst AC, Van Went JL (1991) The ultrastructure of mature Papaver dubium L. pollen grains. Acta Bot Neerl 40: 319-328
  • 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:

Auer A., Halbritter H. 2016. Papaver alpinum. In: PalDat - A palynological database. https://www.paldat.org/pub/Papaver_alpinum/301698;jsessionid=9163FAC361D7BA8668ABA5A976FDDDB2; accessed 2018-11-20

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