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PalDat - Palynological Database

an online publication on recent pollen

Pinus contorta

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),  pollen class: saccate,  polarity: heteropolar,  shape: bisaccate,  outline in polar view: no suitable term,  shape (dry pollen): isodiametric,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: leptoma,  aperture condition: -,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations

bisaccate

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

male cone(s)

1. male cone(s)

hydrated pollen grains

2. hydrated pollen grains

polar proximal view (oblique)

3. polar proximal view (oblique)

polar distal view

4. polar distal view

equatorial view (oblique)

5. equatorial view (oblique)

equatorial view

6. equatorial view

leptoma

7. leptoma

exine surface

8. exine surface

exine surface (cappa)

9. exine surface (cappa)

exine surface (saccus)

10. exine surface (saccus)

dry pollen grains

11. dry pollen grains

Ubisch bodies on inner anther wall

12. Ubisch bodies on inner anther wall

Picture legend

  1. male cone(s), photographer: Buchner, R.
  2. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar proximal view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar distal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. leptoma - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface (cappa) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface (saccus) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  12. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & 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 contorta. In: PalDat - A palynological database. https://www.paldat.org/pub/Pinus_contorta/302839;jsessionid=220D4A40D6BC0E47EC0AA54781FE8319; accessed 2018-11-13

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