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PalDat - Palynological Database

an online publication on recent pollen

Annona muricata

Taxonomy: Angiospermae, Magnoliales, Annonaceae, Annona

Published: 2016-09-28

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad planar, tetrad decussate,  size (pollen unit): very large (>100 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: tetrad,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): no suitable term,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): no suitable term,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, foveolate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: proximal germination

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated tetrads

1. hydrated tetrads

tetrad (planar)

2. tetrad (planar)

hydrated tetrad

3. hydrated tetrad

exine surface

4. exine surface

dry tetrads

5. dry tetrads

dry tetrad

6. dry tetrad

Picture legend

  1. hydrated tetrads - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. tetrad (planar) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
  6. dry tetrad - 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. Annona muricata. In: PalDat - A palynological database. https://www.paldat.org/pub/Annona_muricata/301476; accessed 2024-11-01

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