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PalDat - Palynological Database

an online publication on recent pollen

Coffea arabica

Taxonomy: Angiospermae, Gentianales, Rubiaceae, Coffea

Published: 2015-07-19

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: rugulate, fossulate, granulate, no suitable term,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Annotations

there is no suitable term to describe the ornamentation precisely

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen

1. hydrated pollen

polar view

2. polar view

equatorial view

3. equatorial view

oblique view

4. oblique view

aperture

5. aperture

exine surface

6. exine surface

dry pollen

7. dry pollen

Ubisch bodies on locule wall

8. Ubisch bodies on locule wall

Picture legend

  1. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. polar view - dry, rehydrated (water) & acetolyzed & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. oblique 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. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  8. Ubisch bodies on locule wall - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2015. Coffea arabica. In: PalDat - A palynological database. https://www.paldat.org/pub/Coffea_arabica/300133;jsessionid=87E205418C1B5B2649C64A577F4A9083; accessed 2018-11-18