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PalDat - Palynological Database

an online publication on recent pollen

Ribes petraeum

Taxonomy: Angiospermae, Saxifragales, Grossulariaceae, Ribes

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Ribes-petraeum.htm

Published: 2021-01-04

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): 26-30 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 26-30 µm,  longest diameter in equatorial or polar view (LM): 26-30 µm,  pollen class: porate,  polarity: -,  P/E-ratio: -,  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): irregular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: verrucate, scabrate, gemmate,  nexine: -,  sexine: -,  SEMornamentation SEM: psilate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: 1 or 2 pores mostly situated on "apertural areas"

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud

Pictures

inflorescence of Ribes petraeum

1. inflorescence of Ribes petraeum

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen grain

5. hydrated pollen grain

hydrated pollen grain

6. hydrated pollen grain

aperture

7. aperture

exine surface

8. exine surface

exine surface in apertural area

9. exine surface in apertural area

dry pollen grains

10. dry pollen grains

Picture legend

  1. inflorescence of Ribes petraeum, photographer: Halbritter, H.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. hydrated pollen grain - fresh, DMP & critical point dried, photographer: Halbritter, H.
  6. hydrated pollen grain - fresh, DMP & critical point dried, photographer: Halbritter, H.
  7. aperture - fresh, DMP & critical point dried, photographer: Halbritter, H.
  8. exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
  9. exine surface in apertural area - fresh, DMP & critical point dried, photographer: Halbritter, H.
  10. dry pollen grains - dry, photographer: Halbritter, H.

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:

Halbritter H., Auer W. 2021. Ribes petraeum. In: PalDat - A palynological database. https://www.paldat.org/pub/Ribes_petraeum/304865;jsessionid=D53DCEE8648B85C17F599C0591BD67EB; accessed 2024-03-29

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