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an online publication on recent pollen

Asclepias syriaca

Taxonomy: Angiospermae, Gentianales, Apocynaceae, Asclepias

Published: 2016-11-08

Pollen Description

Shape, Size and Aperture

pollen unit: pollinium,  dispersal unit and peculiarities: pollinarium,  size (pollen unit): very large (>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: -,  polarity: heteropolar,  P/E-ratio: -,  shape: irregular,  outline in polar view: irregular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): not infolded,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flowers of Asclepias syriaca

1. flowers of Asclepias syriaca

flowers of Asclepias syriaca

2. flowers of Asclepias syriaca

pollinaria

3. pollinaria

pollinarium

4. pollinarium

pollinium

5. pollinium

exine surface

6. exine surface

exine surface

7. exine surface

corpusculum

8. corpusculum

Picture legend

  1. flowers of Asclepias syriaca, photographer: Buchner, R.
  2. flowers of Asclepias syriaca, photographer: Buchner, R.
  3. pollinaria - fresh, DMP & critical point dried, photographer: Halbritter, H.
  4. pollinarium - fresh, DMP & critical point dried, photographer: Halbritter, H.
  5. pollinium - fresh, DMP & critical point dried, photographer: Halbritter, H.
  6. exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
  7. exine surface - fresh, DMP & critical point dried, photographer: Halbritter, H.
  8. corpusculum - fresh, DMP & critical point dried, 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. Asclepias syriaca. In: PalDat - A palynological database. https://www.paldat.org/pub/Asclepias_syriaca/302069;jsessionid=BA840E913567BAFB8A0E83A8FD88B3EC; accessed 2024-03-28

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