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PalDat - Palynological Database

an online publication on recent pollen

Pinus ponderosa

Taxonomy: Spermatophyta, Pinales, Pinaceae, Pinus

Published: 2007-02-12

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  pollen class: -,  polarity: heteropolar,  shape: oblate,  outline in polar view: -,  shape (dry pollen): -,  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: -,  TEMtectum: eutectate,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, H.

Pictures

flowers of Pinus ponderosa

1. flowers of Pinus ponderosa

polar view (proximal)

2. polar view (proximal)

polar view (distal)

3. polar view (distal)

equatorial view

4. equatorial view

leptoma

5. leptoma

exine surface (proximal pole)

6. exine surface (proximal pole)

exine surface (saccus)

7. exine surface (saccus)

dry pollen grains

8. dry pollen grains

Picture legend

  1. flowers of Pinus ponderosa, photographer: Halbritter, H.
  2. polar view (proximal) - fresh, DMP & critical point dried, photographer: Halbritter, H.
  3. polar view (distal) - fresh, DMP & critical point dried, photographer: Halbritter, H.
  4. equatorial view - fresh, DMP & critical point dried, photographer: Halbritter, H.
  5. leptoma - fresh, DMP & critical point dried, photographer: Halbritter, H.
  6. exine surface (proximal pole) - fresh, DMP & critical point dried, photographer: Halbritter, H.
  7. exine surface (saccus) - fresh, DMP & critical point dried, photographer: Halbritter, H.
  8. dry pollen grains - dry, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2007. Pinus ponderosa. In: PalDat - A palynological database. https://www.paldat.org/pub/Pinus_ponderosa/100379;jsessionid=643CB1E8C91F48C3AC77E70475542637; accessed 2018-11-21