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PalDat - Palynological Database

an online publication on recent pollen

Jacobaea incana

Taxonomy: Angiospermae, Asterales, Asteraceae, Jacobaea

Published: 2018-01-09

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colporate,  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: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: echinate, microreticulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

habitus

1. habitus

hydrated pollen

2. hydrated pollen

oblique distal polar view

3. oblique distal polar view

equatorial view

4. equatorial view

aperture

5. aperture

exine surface

6. exine surface

polar area

7. polar area

dry pollen

8. dry pollen

Picture legend

  1. habitus, photographer: Weis, B.
  2. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. oblique distal 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. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. 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., Weis B. 2018. Jacobaea incana. In: PalDat - A palynological database. https://www.paldat.org/pub/Jacobaea_incana/303114;jsessionid=4CCE20677E9A790A34A261589EED5672; accessed 2018-10-22