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PalDat - Palynological Database

an online publication on recent pollen

Opuntia polyacantha

Taxonomy: Angiospermae, Caryophyllales, Cactaceae, Opuntia

Published: 2016-11-24

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): very large (>100 µm),  pollen class: colpate,  polarity: -,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): polygonal,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: colpus,  aperture condition: colpate, pantocolpate,  aperture peculiarities: pantoaperturate, aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: lophate, reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: lophate, reticulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Annotations

12 apertures; very short colpi or pori

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

hydrated pollen grains

2. hydrated pollen grains

hydrated pollen grain

3. hydrated pollen grain

aperture

4. aperture

detail of aperture

5. detail of aperture

exine surface

6. exine surface

exine surface

7. exine surface

exine surface

8. exine surface

dry pollen grains

9. dry pollen grains

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated pollen grains - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2016. Opuntia polyacantha. In: PalDat - A palynological database. https://www.paldat.org/pub/Opuntia_polyacantha/302394;jsessionid=2807C0A3ED7F2304051322748618A6DC; accessed 2018-11-14

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