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an online publication on recent pollen

Papaver dubium

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,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Auer, Angelika

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)

polar view

5. polar view

equatorial view

6. equatorial view

detail of colpus membrane

7. detail of colpus membrane

exine surface

8. exine surface

polar view (dry pollen grain)

9. polar view (dry pollen grain)

dry pollen grain in equatorial view

10. dry pollen grain in equatorial view

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

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

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

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

tapetum cells with Ubisch bodies (U)

13. 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. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  6. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  7. detail of colpus membrane - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  9. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Auer, A.
  10. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Auer, A.
  11. interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.
  12. apertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Auer, A.
  13. tapetum cells with Ubisch bodies (U) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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. 2016. Papaver dubium. In: PalDat - A palynological database. https://www.paldat.org/pub/Papaver_dubium/301697;jsessionid=96E5569175EFEFF91FBBFB8C80AFB68F; accessed 2018-11-21

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