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PalDat - Palynological Database

an online publication on recent pollen

Aztekium ritteri

Taxonomy: Angiospermae, Caryophyllales, Cactaceae, Aztekium

Published: 2016-11-08

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): -,  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: colpate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): -,  aperture number: 6,  aperture type: colpus,  aperture condition: hexacolpate, colpate, pantocolpate,  aperture peculiarities: aperture membrane ornamented, pantoaperturate

Ornamentation and Structure

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

Miscellaneous

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

Annotations: more than 6 apertures as well

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

hydrated pollen grain

3. hydrated pollen grain

aperture

4. aperture

exine surface

5. exine surface

exine surface

6. exine surface

dry pollen grains

7. dry pollen grains

Ubisch bodies on inner locular wall

8. Ubisch bodies on inner locular wall

Picture legend

  1. flower(s), photographer: Buchner, R.
  2. flower(s), photographer: Buchner, R.
  3. hydrated pollen grain - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  8. Ubisch bodies on inner locular wall - fresh, rehydration (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. 2016. Aztekium ritteri. In: PalDat - A palynological database. https://www.paldat.org/pub/Aztekium_ritteri/302105; accessed 2024-11-10

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