Aconitum napellus
Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Aconitum
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Aconitum-napellus-1.htm
Published: 2021-03-30
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): 26-30 µm, 31-35 µm, shortest polar axis in equatorial view (LM): -, longest polar axis in equatorial view (LM): 31-35 µm, shortest diameter in equatorial or polar view (LM): 21-25 µm, longest diameter in equatorial or polar view (LM): 26-30 µm, pollen class: colpate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, 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
LM ornamentation LM: psilate, scabrate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-discontinuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: present
Annotations: exine forms polar-caps, pictures of hydrated pollen are from Aconitum napellus ssp. neomontanum,
Author(s) of diagnosis: Oberschneider, Wolfgang; Heigl, Helmut
Pictures
1. flower(s)
2. upper focus
3. optical section
4. lower focus
5. hydrated pollen
6. hydrated pollen
7. hydrated pollen
8. polar view
9. equatorial view
10. detail of aperture
11. exine surface
12. polar view of dry pollen grain
13. dry pollen grain in equatorial view
14. pollen wall; interapertural area
15. detail of aperture with ornamented colpus membrane
16. generative cell (asterisk) and vegetative nucleus
17. anther wall and tapetum with Ubisch bodies (asterisks)
Picture legend
- flower(s), photographer: Oberschneider, W.
- upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- polar view - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- equatorial view - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- detail of aperture - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- exine surface - fresh, chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Oberschneider, W.
- pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
- detail of aperture with ornamented colpus membrane - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
- generative cell (asterisk) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
- anther wall and tapetum with Ubisch bodies (asterisks) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
Literature
- (1991) The Northwest European Pollen Flora, 51. Ranunculaceae. Rev Palaeobot Palynol 69: 117-271
- (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
- (1991) Palynotaxonomy and phylogeny of Ranunculaceae. Geophytology 21: 207-210
- (1937) Pollen morphology in Ranunculaceae, Lardizabalaceae and Berberidaceae. J Jap Bot 8: 19-46
- (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
- (1980) Palynomorphological characteristics of the Bulgarian representatives of the family Ranunculaceae Juss. IV. Phytology (Bulg Acad Sci) 14: 3-50
- (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
- (1963) Studies of Indian pollen grains - II. Ranunculaceae. Pollen et Spores 5: 285-296
- (1936) Pollen grains in the identification and classification of plants - VII. Ranunculaceae. Bull Torrey Bot Club 63: 495-514
- (1993) Investigation on pollen morphology of Aconitum L. Acta Bot Sinica 35: 674-686
- (1994) Exkursionsflora von Österreich : 1180
- (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., Heigl H. 2021. Aconitum napellus. In: PalDat - A palynological database. https://www.paldat.org/pub/Aconitum_napellus/305957; accessed 2024-11-01