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PalDat - Palynological Database

an online publication on recent pollen

Acacia binervia

Taxonomy: Angiospermae, Fabales, Fabaceae, Acacia

Published: 2017-01-17

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

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

Miscellaneous

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

Annotations: ring-like tenuitas distally

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

hydrated polyads

2. hydrated polyads

hydrated polyad

3. hydrated polyad

hydrated polyad

4. hydrated polyad

detail of polyad showing monad with tenuitas

5. detail of polyad showing monad with tenuitas

Ubisch bodies on tapetum wall

6. Ubisch bodies on tapetum wall

Picture legend

  1. inflorescence(s), photographer: Buchner, R.
  2. hydrated polyads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated polyad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. hydrated polyad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. detail of polyad showing monad with tenuitas - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. Ubisch bodies on tapetum wall - fresh, rehydrated (water) & critical point dried & 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., Buchner R. 2017. Acacia binervia. In: PalDat - A palynological database. https://www.paldat.org/pub/Acacia_binervia/302960; accessed 2024-11-10

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