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PalDat - Palynological Database

an online publication on recent pollen

Amydrium medium

Taxonomy: Angiospermae, Alismatales, Araceae, Amydrium

Published: 2015-08-04

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: sulcate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): oblate,  outline in polar view (dry pollen): elliptic,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: ring-like aperture,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate,  TEMtectum: -,  infratectum: granular,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: 2-celled,  Ubisch bodies: present

Annotations

endexine extremely thin in interapertural area

Author(s) of diagnosis: Halbritter, H.; Weber, Martina

Pictures

slightly oblique polar view

1. slightly oblique polar view

detail of aperture

2. detail of aperture

exine surface

3. exine surface

dry pollen grains

4. dry pollen grains

pollen grain in cross section

5. pollen grain in cross section

pollen wall, interapertural area

6. pollen wall, interapertural area

pollen wall, transition from aperture to interapertural area

7. pollen wall, transition from aperture to interapertural area

germinating pollen grain

8. germinating pollen grain

Picture legend

  1. slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  5. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  6. pollen wall, interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  7. pollen wall, transition from aperture to interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  8. germinating pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Weber M. 2015. Amydrium medium. In: PalDat - A palynological database. https://www.paldat.org/pub/Amydrium_medium/300147;jsessionid=F224EA1F26578CC01D41A14580571AD5; accessed 2019-05-20

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