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PalDat - Palynological Database

an online publication on recent pollen

Thalictrum lucidum

Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Thalictrum

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Thalictrum-lucidum.htm

Published: 2021-02-03

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): 16-20 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  pollen class: porate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): polygonal,  infoldings (dry pollen): aperture(s) sunken,  aperture number: number varies,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: aperture membrane ornamented, pantoaperturate

Ornamentation and Structure

LM  ornamentation LM: echinate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: number and shape of apertures variable; number of apertures predominantly 6

Author(s) of diagnosis: Auer, Angelika; Auer, Waltraud

Pictures

flower(s)

1. flower(s)

upper focus

2. upper focus

optical section

3. optical section

lower focus

4. lower focus

generative cell (asterisk) and vegetative nucleus

5. generative cell (asterisk) and vegetative nucleus

hydrated pollen

6. hydrated pollen

hydrated pollen

7. hydrated pollen

hydrated pollen

8. hydrated pollen

hydrated pollen

9. hydrated pollen

hydrated pollen

10. hydrated pollen

exine surface

11. exine surface

detail of colpus membrane

12. detail of colpus membrane

dry pollen

13. dry pollen

dry pollen

14. dry pollen

interapertural area of pollen wall, intine (I), endexine (E)

15. interapertural area of pollen wall, intine (I), endexine (E)

apertural area of pollen wall, intine (I), endexine (E)

16. apertural area of pollen wall, intine (I), endexine (E)

pollen wall (bottom) and tapetum cells with Ubisch bodies (U)

17. pollen wall (bottom) and tapetum cells with Ubisch bodies (U)

Picture legend

  1. flower(s), photographer: Auer, A.
  2. upper focus - fresh, acetolyzed, unstained, photographer: Auer, A.
  3. optical section - fresh, acetolyzed, unstained, photographer: Auer, A.
  4. lower focus - fresh, acetolyzed, unstained, photographer: Auer, A.
  5. generative cell (asterisk) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Auer, A.
  6. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  7. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  8. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  9. hydrated pollen - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  10. hydrated pollen - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  11. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  12. detail of colpus membrane - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Auer, A.
  13. dry pollen - dry, sputter coated with gold, photographer: Auer, A.
  14. dry pollen - dry, sputter coated with gold, photographer: Auer, A.
  15. interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.
  16. apertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.
  17. pollen wall (bottom) and tapetum cells with Ubisch bodies (U) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Auer, A.

Literature

  • Daumann E (1969) Zur Blütenmorphologie und Bestäubungsökologie einiger Ranunculaceen (Cimicifuga L., Actaea L., Thalictrum L.). Preslia 41: 213-219
  • Kaplan SM, Mulcahy DL (1971) Mode of pollination and floral sexuality in Thalictrum. Evolution 25: 659-668
  • Oberschneider W (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
  • 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:

Auer A., Auer W. 2021. Thalictrum lucidum. In: PalDat - A palynological database. https://www.paldat.org/en/pub/Thalictrum_lucidum/305190; accessed 2025-05-04

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