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PalDat - Palynological Database

an online publication on recent pollen

Aristolochia clematitis

Taxonomy: Angiospermae, Piperales, Aristolochiaceae, Aristolochia

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Aristolochia-clematitis.htm

Published: 2020-10-06

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 41-50 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 36-40 µm,  longest diameter in equatorial or polar view (LM): 41-50 µm,  pollen class: inaperturate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): not infolded,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: scabrate, gemmate, verrucate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: perforate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: compact-continuous,  intine: bilayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: shape in hydrated condition: spheroidal to ovoid;

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

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

flower(s)

3. flower(s)

hydrated Pollen

4. hydrated Pollen

hydrated Pollen

5. hydrated Pollen

hydrated Pollen

6. hydrated Pollen

hydrated pollen grain

7. hydrated pollen grain

exine surface

8. exine surface

dry pollen grains

9. dry pollen grains

exine surface of dry pollen grain

10. exine surface of dry pollen grain

pollen wall

11. pollen wall

pollen wall

12. pollen wall

Picture legend

  1. habitus, photographer: Buchner, R.
  2. flower(s), photographer: Halbritter, H.
  3. flower(s), photographer: Buchner, R.
  4. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  5. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  6. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  7. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  10. exine surface of dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  11. pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Hesse, M.
  12. pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Hesse, M.

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:

Hesse M., Halbritter H., Heigl H., Buchner R. 2020. Aristolochia clematitis. In: PalDat - A palynological database. https://www.paldat.org/pub/Aristolochia_clematitis/303787; accessed 2024-10-31

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