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PalDat - Palynological Database

an online publication on recent pollen

Dicentra spectabilis

Taxonomy: Angiospermae, Ranunculales, Papaveraceae, Dicentra

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): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented, margo

Ornamentation and Structure

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

Miscellaneous

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

Annotations

dry pollen only slightly prolate, lemon shaped, or not infolded

Author(s) of diagnosis: Oberschneider, Wolfgang; Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

polar view

2. polar view

optical section

3. optical section

polar view

4. polar view

hydrated pollen grains (with dry grain)

5. hydrated pollen grains (with dry grain)

polar view

6. polar view

equatorial view

7. equatorial view

equatorial view

8. equatorial view

aperture

9. aperture

detail of aperture

10. detail of aperture

exine surface

11. exine surface

polar area

12. polar area

dry pollen grains

13. dry pollen grains

interapertural area of pollen wall

14. interapertural area of pollen wall

aperture

15. aperture

generative cell (left) and vegetative nucleus

16. generative cell (left) and vegetative nucleus

Picture legend

  1. inflorescence(s), photographer: Halbritter, H.
  2. polar view - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  3. optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  4. polar view - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  5. hydrated pollen grains (with dry grain) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. dry pollen grains - fresh, sputter coated with gold, photographer: Halbritter, H.
  14. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Oberschneider, W.
  15. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
  16. generative cell (left) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.

Literature

  • Lidén M, Fukuhara T, Rylander J, Oxelman B (1997) Phylogeny and classification of Fumariaceae, with emphasis on Dicentra s.l., based on the plastid gene rps16 intron. Pl Syst Evol 206: 411-420
  • Oberschneider W (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
  • 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:

Oberschneider W., Halbritter H. 2016. Dicentra spectabilis. In: PalDat - A palynological database. https://www.paldat.org/pub/Dicentra_spectabilis/301743;jsessionid=82B4AF8EFA7CAAFBF0D98B60EDDA5C14; accessed 2018-11-18

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