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PalDat - Palynological Database

an online publication on recent pollen

Piper nigrum

Taxonomy: Angiospermae, Piperales, Piperaceae, Piper

Published: 2017-01-05

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: starch,  cell number: 2-celled,  Ubisch bodies: present

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

Pictures

polar view (distal)

1. polar view (distal)

equatorial view

2. equatorial view

detail of sulcus

3. detail of sulcus

dry pollen grains

4. dry pollen grains

bi-cellular pollen grain in cross section

5. bi-cellular pollen grain in cross section

pollen wall

6. pollen wall

Ubisch bodies

7. Ubisch bodies

Picture legend

  1. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. detail of sulcus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  5. bi-cellular pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
  6. pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
  7. Ubisch bodies - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, 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. 2017. Piper nigrum. In: PalDat - A palynological database. https://www.paldat.org/pub/Piper_nigrum/302818;jsessionid=51028BD6EDE70831C87883A26B200669; accessed 2018-11-17

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