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PalDat - Palynological Database

an online publication on recent pollen

Centaurea rupestris

Taxonomy: Angiospermae, Asterales, Asteraceae, Centaurea

Published: 2019-10-23

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): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): triangular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

polar view

3. polar view

equatorial view

4. equatorial view

oblique view

5. oblique view

equatorial view,4 apertures (exception)

6. equatorial view, 4 apertures (exception)

aperture

7. aperture

exine surface

8. exine surface

polar area

9. polar area

dry pollen

10. dry pollen

Picture legend

  1. habitus, photographer: Vladović, D.
  2. flower(s), photographer: Vladović, D.
  3. polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. oblique view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view, 4 apertures (exception) - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen - dry, sputter coated with gold, 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., Vladović D. 2019. Centaurea rupestris. In: PalDat - A palynological database. https://www.paldat.org/pub/Centaurea_rupestris/303517;jsessionid=F5395CDE0EE7A17EAB212C83CF031080; accessed 2024-04-29