PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Parietaria officinalis

Taxonomy: Angiospermae, Rosales, Urticaceae, Parietaria

Links: http://flora.nhm-wien.ac.at/seiten-arten/parietaria-officinalis.htm

Published: 2020-10-05

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): 11-15 µm,  shortest polar axis in equatorial view (LM): 11-15 µm,  longest polar axis in equatorial view (LM): 11-15 µm,  shortest diameter in equatorial or polar view (LM): 11-15 µm,  longest diameter in equatorial or polar view (LM): 11-15 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: isodiametric,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: operculum

Ornamentation and Structure

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: starch,  cell number: 2-celled,  Ubisch bodies: present

Annotations: oncus-like thickening below apertures; endexine very thin

Author(s) of diagnosis: Diethart, Bernadette; Heigl, Helmut

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

flower(s)

3. flower(s)

pollen grain with generative cell

4. pollen grain with generative cell

upper focus

5. upper focus

optical section

6. optical section

lower focus

7. lower focus

hydrated Pollen

8. hydrated Pollen

hydrated Pollen

9. hydrated Pollen

hydrated Pollen

10. hydrated Pollen

polar view

11. polar view

slightly oblique polar view

12. slightly oblique polar view

equatorial view

13. equatorial view

equatorial view

14. equatorial view

aperture and exine surface

15. aperture and exine surface

dry pollen grains

16. dry pollen grains

anther wall with Ubisch bodies

17. anther wall with Ubisch bodies

anther wall with Ubisch bodies

18. anther wall with Ubisch bodies

pollen grain in cross section

19. pollen grain in cross section

interapertural area of pollen wall

20. interapertural area of pollen wall

interapertural area of pollen wall

21. interapertural area of pollen wall

apertural area of pollen wall

22. apertural area of pollen wall

Picture legend

  1. habitus, photographer: Diethart, B.
  2. flower(s), photographer: Diethart, B.
  3. flower(s), photographer: Diethart, B.
  4. pollen grain with generative cell - fresh, unfixed, aceto-carmine, photographer: Diethart, B.
  5. upper focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  6. optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
  7. lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  8. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  9. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  10. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  11. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  12. slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  13. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  14. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  15. aperture and exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Diethart, B.
  17. anther wall with Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  18. anther wall with Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  19. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  20. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Diethart, B.
  21. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Diethart, B.
  22. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.

Literature

  • Casas C, Marquez J, Suárez-Cervera M, Seoane-Camba JA (1996) Immunocytochemical localization of allergenic proteins in Parietaria judaica L (Urticaceae) pollen grains. Eur J Cell Biol 70: 179-188
  • Franchi GG, Pacini E, Rottoli P (1984) Pollen grain viability in Parietaria judaica L. during the long blooming period and correlation with meteorological conditions and allergic disease. Giorn Bot Ital 118: 163-178
  • Seoane-Camba JA, Suárez-Cervera M (1986) On the ontogeny of the oncus in the pollen grain of Parietaria officinalis ssp. judaica (Urticaceae). Can J Bot 64: 3155-3167
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • 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:

Diethart B., Heigl H. 2020. Parietaria officinalis. In: PalDat - A palynological database. https://www.paldat.org/pub/Parietaria_officinalis/303782;jsessionid=6D301118D7C338CEDAD393FCE59137C0; accessed 2020-10-26

Previous Publications