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an online publication on recent pollen

Piper nigrum

Taxonomy: Spermatophyta, Piperales, Piperaceae, Piper

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: -,  polarity: heteropolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): elliptic,  infoldings (dry pollen): -,  aperture number: 1,  aperture type: -,  aperture condition: sulcate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, H.; Weber, M.

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

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Weber M. 2005. Piper nigrum. In: PalDat - A palynological database. https://www.paldat.org/pub/Piper_nigrum/110348;jsessionid=B0C53A1E2E19A9C980D305F53D97A186; accessed 2024-04-26

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