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PalDat - Palynological Database

an online publication on recent pollen

Orontium aquaticum

Taxonomy: Angiospermae, Alismatales, Araceae, Orontium

Published: 2016-10-27

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: oblate,  outline in polar view: elliptic,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: spongy-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Weber, Martina

Pictures

inflorescences of Orontium aquaticum

1. inflorescences of Orontium aquaticum

aspect of Orontium aquaticum

2. aspect of Orontium aquaticum

polar view (proximal)

3. polar view (proximal)

equatorial view

4. equatorial view

exine surface

5. exine surface

dry pollen grain

6. dry pollen grain

pollen grains in cross section

7. pollen grains in cross section

pollen wall

8. pollen wall

pollen wall at transition of aperture and interapertural area

9. pollen wall at transition of aperture and interapertural area

Picture legend

  1. inflorescences of Orontium aquaticum, photographer: Buchner R.
  2. aspect of Orontium aquaticum, photographer: Buchner R.
  3. polar view (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  7. pollen grains in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  8. pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  9. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.

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., Weber M., Buchner R. 2016. Orontium aquaticum. In: PalDat - A palynological database. https://www.paldat.org/pub/Orontium_aquaticum/301757;jsessionid=FDAF34B1BC4661B8C27450AAD6B0075A; accessed 2018-11-21

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