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PalDat - Palynological Database

an online publication on recent pollen

Pontederia cordata

Taxonomy: Angiospermae, Commelinales, Pontederiaceae, Pontederia

Published: 2016-02-10

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: oblate,  outline in polar view: elliptic,  shape (dry pollen): oblate,  outline in polar view (dry pollen): quadrangular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 2,  aperture type: sulcus,  aperture condition: sulcate, disulcate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations

apertural condition is disulcate (and not dicolpate), the sulci are situated distally very close to the equator and parallel to it; pollen grains are slightly heteropolar

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

hydrated pollen grains

2. hydrated pollen grains

polar proximal view

3. polar proximal view

polar proximal view (oblique)

4. polar proximal view (oblique)

equatorial view (oblique)

5. equatorial view (oblique)

sulcus border

6. sulcus border

exine surface

7. exine surface

dry pollen grains

8. dry pollen grains

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. polar proximal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar proximal view (oblique) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view (oblique) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. sulcus border - 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. dry pollen grains - dry, 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. Pontederia cordata. In: PalDat - A palynological database. https://www.paldat.org/pub/Pontederia_cordata/300430;jsessionid=99EC4C6A872FD5938BAF47860BF188D2; accessed 2018-11-15

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