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PalDat - Palynological Database

an online publication on recent pollen

Dipsacus laciniatus

Taxonomy: Angiospermae, Dipsacales, Caprifoliaceae, Dipsacus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Dipsacus-laciniatus.htm

Published: 2020-12-17

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): >100 µm,  shortest polar axis in equatorial view (LM): 51-100 µm,  longest polar axis in equatorial view (LM): >100 µm,  shortest diameter in equatorial or polar view (LM): 51-100 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: triangular,  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: porus,  aperture condition: porate, triporate,  aperture peculiarities: aperture membrane ornamented, operculum

Ornamentation and Structure

LMornamentation LM: echinate,  nexine: -,  sexine: -,  SEMornamentation SEM: echinate, microechinate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: in dry condition elongated apertures resemble colpi or colpori

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

Pictures

inflorescence of Dipsacus laciniatus

1. inflorescence of Dipsacus laciniatus

flowers of Dipsacus laciniatus

2. flowers of Dipsacus laciniatus

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

polar view (oblique)

6. polar view (oblique)

equatorial view (oblique)

7. equatorial view (oblique)

aperture

8. aperture

aperture

9. aperture

exine surface

10. exine surface

dry pollen grains

11. dry pollen grains

aperture (dry)

12. aperture (dry)

Ubisch bodies on inner anther wall

13. Ubisch bodies on inner anther wall

Picture legend

  1. inflorescence of Dipsacus laciniatus, photographer: Svojtka, M.
  2. flowers of Dipsacus laciniatus, photographer: Svojtka, M.
  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. polar view (oblique) - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  7. equatorial view (oblique) - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  8. aperture - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  9. aperture - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  10. exine surface - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  11. dry pollen grains - fresh, photographer: Halbritter, H.
  12. aperture (dry) - fresh, photographer: Halbritter, H.
  13. Ubisch bodies on inner anther wall - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.

Literature

  • 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., Auer W., Svojtka M. 2020. Dipsacus laciniatus. In: PalDat - A palynological database. https://www.paldat.org/pub/Dipsacus_laciniatus/304568; accessed 2024-10-31

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