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PalDat - Palynological Database

an online publication on recent pollen

Galium uliginosum

Taxonomy: Angiospermae, Gentianales, Rubiaceae, Galium

Published: 2018-03-29

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  pollen class: colpate,  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: number varies,  aperture type: colpus,  aperture condition: colpate, stephanocolpate,  aperture peculiarities: aperture membrane ornamented, stephanoaperturate

Ornamentation and Structure

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

Miscellaneous

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

Annotations

aperture number varies from 6 to 7; shape in hydrated condition: spheroidal to oblate

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

flower(s)

2. flower(s)

hydrated pollen

3. hydrated pollen

oblique polar view

4. oblique polar view

equatorial view

5. equatorial view

oblique view

6. oblique view

aperture

7. aperture

exine surface

8. exine surface

polar area

9. polar area

dry pollen

10. dry pollen

Picture legend

  1. inflorescence(s), photographer: Berger, A.
  2. flower(s), photographer: Berger, A.
  3. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. oblique polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. oblique view - 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., Berger A. 2018. Galium uliginosum. In: PalDat - A palynological database. https://www.paldat.org/pub/Galium_uliginosum/303231;jsessionid=59FC7D9AA950D3D60BF0181B046229A4; accessed 2018-10-21