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an online publication on recent pollen

Aconitum napellus

Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Aconitum

Published: 2016-10-21

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colpate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: psilate,  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

Annotations

exine forms polar-caps

Author(s) of diagnosis: Oberschneider, Wolfgang

Pictures

flower(s)

1. flower(s)

upper focus

2. upper focus

optical section

3. optical section

lower focus

4. lower focus

polar view

5. polar view

equatorial view

6. equatorial view

detail of aperture

7. detail of aperture

exine surface

8. exine surface

polar view of dry pollen grain

9. polar view of dry pollen grain

dry pollen grain in equatorial view

10. dry pollen grain in equatorial view

pollen wall; interapertural area

11. pollen wall; interapertural area

detail of aperture with ornamented colpus membrane

12. detail of aperture with ornamented colpus membrane

generative cell (asterisk) and vegetative nucleus

13. generative cell (asterisk) and vegetative nucleus

anther wall and tapetum with Ubisch bodies (asterisks)

14. anther wall and tapetum with Ubisch bodies (asterisks)

Picture legend

  1. flower(s), photographer: Oberschneider, W.
  2. upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  3. optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  4. lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
  5. polar view - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  6. equatorial view - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  7. detail of aperture - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  8. exine surface - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
  9. polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
  10. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Oberschneider, W.
  11. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  12. detail of aperture with ornamented colpus membrane - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
  13. generative cell (asterisk) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
  14. anther wall and tapetum with Ubisch bodies (asterisks) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.

Literature

  • Clarke GCS, Punt W, Hoen PP (1991) The Northwest European Pollen Flora, 51. Ranunculaceae. Rev Palaeobot Palynol 69: 117-271
  • Gaur RD, Sharma MP (1985) Studies on palynology of some Ranunculaceae from the Garhwal Himalayas. In: Varghese T.M. (ed) Recent Advances in Pollen Research. Allied Publishers : 315-321
  • Khan HA (1991) Palynotaxonomy and phylogeny of Ranunculaceae. Geophytology 21: 207-210
  • Kumazawa M (1937) Pollen morphology in Ranunculaceae, Lardizabalaceae and Berberidaceae. J Jap Bot 8: 19-46
  • Oberschneider W (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
  • Petrov S, Ivanova OB (1980) Palynomorphological characteristics of the Bulgarian representatives of the family Ranunculaceae Juss. IV. Phytology (Bulg Acad Sci) 14: 3-50
  • Puig MA, Molero J (1988) Estudio palinológico de las especies ibéricas del género Aconitum L. In: Civis Llovera J., Valle Hernández M.F. (eds) Actas de Palinología (Actas del VI Simposio de Palinología, A.P.L.E., Salamanca, 1986) : 141-147
  • Vishnu-Mittre, Sharma BD (1963) Studies of Indian pollen grains - II. Ranunculaceae. Pollen et Spores 5: 285-296
  • Wodehouse RP (1936) Pollen grains in the identification and classification of plants - VII. Ranunculaceae. Bull Torrey Bot Club 63: 495-514
  • Xi YZ (1993) Investigation on pollen morphology of Aconitum L. Acta Bot Sinica 35: 674-686
  • 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. Aconitum napellus. In: PalDat - A palynological database. https://www.paldat.org/pub/Aconitum_napellus/301711;jsessionid=0408E62C2FB1BDCE48BBF92E74BFE994; accessed 2018-11-18

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