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PalDat - Palynological Database

an online publication on recent pollen

Geranium sanguineum

Taxonomy: Angiospermae, Geraniales, Geraniaceae, Geranieae, Geranium

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Geranium-sanguineum.htm

Published: 2022-05-09

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): >100 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 51-100 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: isodiametric,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): irregularly infolded,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: brevicolporus

Ornamentation and Structure

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

Miscellaneous

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

Annotations: In SEM the colpus is almost not visible in hydrated condition.

Author(s) of diagnosis: Heigl, Helmut; Brkic, Amra

Pictures

detail of flower(s),flower(s)

1. detail of flower(s), flower(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen,polar view

5. hydrated pollen, polar view

hydrated pollen,oblique view

6. hydrated pollen, oblique view

hydrated pollen

7. hydrated pollen

aperture,aperture detail

8. aperture, aperture detail

exine surface

9. exine surface

dry pollen

10. dry pollen

Picture legend

  1. detail of flower(s), flower(s), photographer: Brkic, A.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen, polar view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  6. hydrated pollen, oblique view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  7. hydrated pollen - fresh, critical point dried & sputter coated with gold & rehydrated (water), photographer: Brkic, A.
  8. aperture, aperture detail - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  9. exine surface - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  10. dry pollen - dry, critical point dried & 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:

Heigl H., Brkic A. 2022. Geranium sanguineum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Geranium_sanguineum/306544; accessed 2025-04-28

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