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an online publication on recent pollen

Anaphyllopsis americana

Taxonomy: Angiospermae, Alismatales, Araceae, Anaphyllopsis

Published: 2016-10-27

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: sulcate,  polarity: -,  P/E-ratio: -,  shape: -,  outline in polar view: -,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): elliptic,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: microreticulate, perforate,  suprasculpture SEM: -,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: endexine extremly thin

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

Pictures

dry pollen grain

1. dry pollen grain

exine surface of dry pollen grain

2. exine surface of dry pollen grain

pollen grain in cross section

3. pollen grain in cross section

pollen wall (interapertural area)

4. pollen wall (interapertural area)

pollen wall (apertural area)

5. pollen wall (apertural area)

Picture legend

  1. dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  2. exine surface of dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  3. pollen grain in cross section - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
  4. pollen wall (interapertural area) - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
  5. pollen wall (apertural area) - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.

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:

Weber M., Halbritter H. 2016. Anaphyllopsis americana. In: PalDat - A palynological database. https://www.paldat.org/pub/Anaphyllopsis_americana/301768;jsessionid=13C11B984AD189CBC7C6A16167E383F2; accessed 2024-03-28

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