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PalDat - Palynological Database

an online publication on recent pollen

Euphorbia esula

Taxonomy: Angiospermae, Malpighiales, Euphorbiaceae, Euphorbia

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Euphorbia-esula.htm

Published: 2020-11-30

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 41-50 µm,  shortest polar axis in equatorial view (LM): 36-40 µm,  longest polar axis in equatorial view (LM): 36-40 µm,  shortest diameter in equatorial or polar view (LM): 36-40 µm,  longest diameter in equatorial or polar view (LM): 36-40 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: tricolporate, colporate,  aperture peculiarities: margo

Ornamentation and Structure

LM  ornamentation LM: scabrate, verrucate, gemmate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: 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

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud

Pictures

flower(s)

1. flower(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen grains

5. hydrated pollen grains

oblique view

6. oblique view

aperture

7. aperture

exine surface

8. exine surface

polar area

9. polar area

dry pollen grains

10. dry pollen grains

Ubisch bodies on inner anther wall

11. Ubisch bodies on inner anther wall

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  11. Ubisch bodies on inner anther 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., Auer W., Svojtka M. 2020. Euphorbia esula. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Euphorbia_esula/304162;jsessionid=AA86EE9ECBD117AF3B810A964CCB2B33; accessed 2025-01-10

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