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an online publication on recent pollen

Galinsoga ciliata

Taxonomy: Angiospermae, Asterales, Asteraceae, Galinsoga

Annotations: according to "The Plant LIst" synonym of Galinsoga quadriradiata

Published: 2016-04-07

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: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: number varies,  aperture type: colporus,  aperture condition: tricolporate, colporate, tetracolporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: echinate, perforate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: aperture number 3 or 4

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

polar view (3-colporate pollen grain)

2. polar view (3-colporate pollen grain)

polar view (4-colporate pollen grain)

3. polar view (4-colporate pollen grain)

equatorial view

4. equatorial view

aperture

5. aperture

exine surface

6. exine surface

dry pollen grains

7. dry pollen grains

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. polar view (3-colporate pollen grain) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar view (4-colporate pollen grain) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Fischer M.A. Oswald K. Adler W. (2008) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 1391
  • 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. 2016. Galinsoga ciliata. In: PalDat - A palynological database. https://www.paldat.org/pub/Galinsoga_ciliata/300798;jsessionid=C52DA59667EABD7B0E27949E959645B5; accessed 2024-03-29

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