Forgot your password?
 
 
PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Galium elongatum

Taxonomy: Angiospermae, Gentianales, Rubiaceae, Galium

Published: 2016-10-31

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: oblate,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: colpus,  aperture condition: colpate, stephanocolpate,  aperture peculiarities: stephanoaperturate, aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Annotations

aperture number mostly 7

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flowers of Galium elongatum

1. flowers of Galium elongatum

flowers of Galium elongatum

2. flowers of Galium elongatum

polar view

3. polar view

oblique view

4. oblique view

aperture

5. aperture

exine surface

6. exine surface

polar area

7. polar area

dry pollen grains

8. dry pollen grains

Picture legend

  1. flowers of Galium elongatum, photographer: Svojtka, M.
  2. flowers of Galium elongatum, photographer: Svojtka, M.
  3. polar view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  4. oblique view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  5. aperture - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  6. exine surface - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  7. polar area - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  8. dry pollen grains - fresh, photographer: Halbritter, H.

Literature

  • Puff C (1975) Morphologie, Biologie und Abgrenzung von Galium L. sect. Aparinoides (Jord.) Gren. (Rubiaceae). Beitr Biol Pflanzen 51: 17-40
  • Weber M (1988) Formation of sperm cells in Galium mollugo (Rubiaceae), Trichodiadema setuliferum (Aizoaceae), and Avena sativa L. (Poaceae). Pl Syst Evol 161: 53-64
  • 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., Svojtka M. 2016. Galium elongatum. In: PalDat - A palynological database. https://www.paldat.org/pub/Galium_elongatum/301826;jsessionid=8B84A0D793BBBB1C3F652D641122B4F7; accessed 2018-11-20

Previous Publications