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PalDat - Palynological Database

an online publication on recent pollen

Acacia myrtifolia

Taxonomy: Angiospermae, Fabales, Fabaceae, Acacia

Published: 2016-12-29

Pollen Description

Shape, Size and Aperture

pollen unit: polyad,  dispersal unit and peculiarities: polyad,  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: polyad,  polarity: heteropolar,  P/E-ratio: -,  shape: -,  outline in polar view: -,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  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: flat polyads formed by 8 pollen grains; the 6 outer grains with one, the 2 central grains with two ringlike depressions (apertures?)

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated polyad

1. hydrated polyad

hydrated polyad

2. hydrated polyad

exine surface

3. exine surface

dry polyads

4. dry polyads

dry polyad

5. dry polyad

dry polyad

6. dry polyad

exine surface of dry pollen grains

7. exine surface of dry pollen grains

Picture legend

  1. hydrated polyad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated polyad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. dry polyads - dry, sputter coated with gold, photographer: Halbritter, H.
  5. dry polyad - dry, sputter coated with gold, photographer: Halbritter, H.
  6. dry polyad - dry, sputter coated with gold, photographer: Halbritter, H.
  7. exine surface of dry pollen grains - dry, sputter coated with gold, 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. 2016. Acacia myrtifolia. In: PalDat - A palynological database. https://www.paldat.org/pub/Acacia_myrtifolia/302901; accessed 2024-10-31

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