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PalDat - Palynological Database

an online publication on recent pollen

Pellionia repens

Taxonomy: Angiospermae, Rosales, Urticaceae, Elatostemateae, Pellionia

Links: https://tropicos.org/name/33400739

Published: 2022-05-13

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 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: porate,  polarity: isopolar,  P/E-ratio: isodiametric,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): isodiametric,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: annulus

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: nanoechinate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Brkic, Amra

Pictures

habitus

1. habitus

hydrated pollen

2. hydrated pollen

hydrated pollen,equatorial view

3. hydrated pollen, equatorial view

hydrated pollen,polar view

4. hydrated pollen, polar view

exine surface,aperture

5. exine surface, aperture

aperture,exine surface

6. aperture, exine surface

exine surface

7. exine surface

dry pollen

8. dry pollen

Ubisch bodies on locule wall,hydrated pollen

9. Ubisch bodies on locule wall, hydrated pollen

Picture legend

  1. habitus, photographer: Brkic, A.
  2. hydrated pollen - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  3. hydrated pollen, equatorial view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  4. hydrated pollen, polar view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  5. exine surface, aperture - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  6. aperture, exine surface - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  7. exine surface - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  8. dry pollen - dry, critical point dried & sputter coated with gold, photographer: Brkic, A.
  9. Ubisch bodies on locule wall, hydrated pollen - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.

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
  • Halbritter H, Ulrich S, Grímsson F, Weber M, Zetter R, Hesse M, Buchner R, Svojtka M, Frosch-Radivo A (2018) Illustrated Pollen Terminology 2nd Edition

Copyright and Citation

Cite this publication as:

Brkic A. 2022. Pellionia repens. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Pellionia_repens/306555; accessed 2025-04-28