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PalDat - Palynological Database

an online publication on recent pollen

Thalictrum aquilegiifolium

Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Thalictrum

Published: 2016-10-21

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  pollen class: porate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): isodiametric,  outline in polar view (dry pollen): quadrangular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: aperture membrane ornamented, pantoaperturate

Ornamentation and Structure

LMornamentation LM: scabrate,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, perforate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-discontinuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Oberschneider, Wolfgang

Pictures

flower(s)

1. flower(s)

upper focus

2. upper focus

equatorial view

3. equatorial view

lower focus

4. lower focus

generative cell (top) and vegetative nucleus

5. generative cell (top) and vegetative nucleus

hydrated pollen grain

6. hydrated pollen grain

hydrated pollen grain

7. hydrated pollen grain

detail of aperture

8. detail of aperture

dry pollen grain

9. dry pollen grain

aperture of dry pollen grain

10. aperture of dry pollen grain

interapertural area of pollen wall

11. interapertural area of pollen wall

aperture

12. aperture

Picture legend

  1. flower(s), photographer: Oberschneider, W.
  2. upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  3. equatorial view - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  4. lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  5. generative cell (top) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Oberschneider, W.
  6. hydrated pollen grain - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  7. hydrated pollen grain - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  8. detail of aperture - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  9. dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
  10. aperture of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
  11. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  12. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.

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:

Oberschneider W. 2016. Thalictrum aquilegiifolium. In: PalDat - A palynological database. https://www.paldat.org/pub/Thalictrum_aquilegiifolium/301729;jsessionid=7E3C428965C57C6E04B744B631823E0C; accessed 2018-11-18

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