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PalDat - Palynological Database

an online publication on recent pollen

Pinus nigra

Taxonomy: Gymnospermae, Pinales, Pinaceae, Pinus

Links: http://flora.nhm-wien.ac.at/seiten-arten/pinus-nigra.htm

Published: 2020-07-28

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): 51-100 µm,  shortest polar axis in equatorial view (LM): 41-50 µm,  longest polar axis in equatorial view (LM): 51-100 µm,  shortest diameter in equatorial or polar view (LM): 41-50 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: saccate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: no suitable term,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: leptoma,  aperture condition: -,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: scabrate, verrucate, gemmate,  nexine: -,  sexine: -,  SEMornamentation SEM: verrucate, perforate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: saccus,  supratectal element: -

Miscellaneous

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

Annotations: bisaccate

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut

Pictures

male cone(s)

1. male cone(s)

hydrated Pollen

2. hydrated Pollen

hydrated Pollen

3. hydrated Pollen

hydrated Pollen

4. hydrated Pollen

polar view (distal)

5. polar view (distal)

polar view (proximal)

6. polar view (proximal)

equatorial view

7. equatorial view

leptoma

8. leptoma

detail of leptoma

9. detail of leptoma

exine surface (proximal pole)

10. exine surface (proximal pole)

exine surface (saccus)

11. exine surface (saccus)

dry pollen grains

12. dry pollen grains

Picture legend

  1. male cone(s), photographer: Halbritter, H.
  2. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar view (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. leptoma - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. detail of leptoma - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface (proximal pole) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface (saccus) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen grains - dry, 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., Heigl H. 2020. Pinus nigra. In: PalDat - A palynological database. https://www.paldat.org/pub/Pinus_nigra/303743;jsessionid=8BA741515CA8ECA495F4678AC1610B02; accessed 2020-09-19

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