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an online publication on recent pollen

Stylochaeton zenkeri

Taxonomy: Angiospermae, Alismatales, Araceae, Stylochaeton

Published: 2016-11-03

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: inaperturate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: foveolate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: columellate,  foot layer: discontinuous,  endexine: spongy-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: columellae very short

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

Pictures

hydrated pollen grain

1. hydrated pollen grain

hydrated pollen grain

2. hydrated pollen grain

dry pollen grain

3. dry pollen grain

pollen grain in cross section

4. pollen grain in cross section

pollen wall (exine dark stained)

5. pollen wall (exine dark stained)

pollen wall

6. pollen wall

pollen wall

7. pollen wall

Picture legend

  1. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  4. pollen grain in cross section - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
  5. pollen wall (exine dark stained) - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
  6. pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
  7. pollen wall - 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. Stylochaeton zenkeri. In: PalDat - A palynological database. https://www.paldat.org/pub/Stylochaeton_zenkeri/301850;jsessionid=BD6BCC6C28A0A7E3B1784F0EF74E89C7; accessed 2024-04-26

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