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PalDat - Palynological Database

an online publication on recent pollen

Pinus densiflora

Taxonomy: Gymnospermae, Pinales, Pinaceae, Pinus

Published: 2016-12-16

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): -,  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: saccate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: no suitable term,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): no suitable term,  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

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: verrucate, perforate, microverrucate,  suprasculpture SEM: -,  TEM  tectum: -,  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

Pictures

aspect of Pinus densiflora

1. aspect of Pinus densiflora

male cone(s)

2. male cone(s)

polar proximal view

3. polar proximal view

polar distal view

4. polar distal view

equatorial view

5. equatorial view

equatorial view

6. equatorial view

leptoma

7. leptoma

detail of leptoma

8. detail of leptoma

exine surface

9. exine surface

exine surface (cappa)

10. exine surface (cappa)

exine surface (saccus)

11. exine surface (saccus)

dry pollen grains

12. dry pollen grains

Picture legend

  1. aspect of Pinus densiflora, photographer: Buchner, R.
  2. male cone(s), photographer: Buchner, R.
  3. polar proximal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar distal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. leptoma - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. detail of leptoma - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface (cappa) - 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., Buchner R. 2016. Pinus densiflora. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Pinus_densiflora/302840;jsessionid=86F80CD6312E8C28247630A2C7045199; accessed 2025-01-10

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