Nicotiana tabacum
Taxonomy: Angiospermae, Solanales, Solanaceae, Nicotiana
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Nicotiana-tabacum.htm
Published: 2020-12-15
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, shortest polar axis in equatorial view (LM): 26-30 µm, longest polar axis in equatorial view (LM): 26-30 µm, shortest diameter in equatorial or polar view (LM): 26-30 µm, longest diameter in equatorial or polar view (LM): 26-30 µm, pollen class: colporate, 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: colporus, aperture condition: colporate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: striate, rugulate, nexine: -, sexine: -, SEM ornamentation SEM: perforate, rugulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
Annotations: aperture number 3 or 4
Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut
Pictures
Picture legend
- flower(s), photographer: Schneider, H.
- 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, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
Literature
- (1984) Ultrastructural studies of Nicotiana alata mature pollen. VI Int Palynol Conf Calgary Abstract 26
- (1985) Ultrastructure of Nicotiana alata pollen, its germination and early tube formation. Amer J Bot 72: 719-727
- (1985) Fibrillar structures in Nicotiana pollen: changes in ultrastructure during pollen activation and tube emission. In: Mulcahy D.L., Mulcahy G.B., Ottaviano E. (eds) Biotechnology and Ecology of Pollen. Proc Int Conf Biotechnology and Ecology of Pollen. Univ Massachusetts : 283-288
- (1995) Preparation and fusion properties of protoplasts from mature pollen of Nicotiana tabacum. Pl Cell Reports 14: 199-203
- (1877) Pollen. Hardwicke & Bogue, London : 92 pp, 24 pl
- (1952) Pollen morphology and plant taxonomy. Angiosperms. Almquist & Wiksell, Stockholm
- (1995) Cellular changes during the acquisitionof embryogenic potential in isolated pollen grains of Nicotiana tabacum. Protoplasma 186: 220-230
- (1988) Embryological studies in Nicotiana tabacum and N. rustica. J Indian Bot Soc 67: 135-141
- (1995) Heteromorphism of pollen aperture number and heterogeneity at the tetrad stage in 2 Viola species and Nicotiana tabacum. CR Acad Sci Paris, Sciences de la Vie 318: 453-457
- (1994) Pollination types and pollen characters within flora of Karachi. Pak J Bot 26: 35-56
- (1986) Contribución al atlas palinológico de Andalucia occidental. IV Solanaceae. Lagascalia 14: 45-66
- (1987) Convolvulaceae, Cuscutaceae, Solanaceae. In: Valdés B., Díez M.J., Fernández I. (eds) Atlas polínico de Andalucía occidental. Inst de Desarrollo Regional 43, Univ de Sevilla
- (1977) Solanaceae. Rev Palaeobot Palynol 23: 1-30
- (1974) Pollen morphology of some plants of Western Rajasthan. Solanaceae. First Indian Palynological Congr Panjab Univ : 11 pp
- (1995) Pollen heteromorphism in Nicotiana tabacum (Solanaceae). Amer J Bot 82: 1040-1048
- (1992) Contribución al estudio polínico de especies ornamentales: Solanaceae, Convolvulaceae e Hydrophyllaceae. Acta Bot Malacitana 17: 209-222
- (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:
Halbritter H., Heigl H., Schneider H. 2020. Nicotiana tabacum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Nicotiana_tabacum/304471; accessed 2025-04-28