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an online publication on recent pollen

Nicotiana tabacum

Taxonomy: Angiospermae, Solanales, Solanaceae, Nicotiana

Published: 2016-11-29

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colporate,  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: 4,  aperture type: colporus,  aperture condition: colporate, tetracolporate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: rugulate, perforate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: -,  Ubisch bodies: -

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

polar view

2. polar view

aperture

3. aperture

exine surface

4. exine surface

exine surface

5. exine surface

exine surface

6. exine surface

dry pollen grains

7. dry pollen grains

Picture legend

  1. flower(s), photographer: Schneider, H.
  2. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Cresti M, Ciampolini F (1984) Ultrastructural studies of Nicotiana alata mature pollen. VI Int Palynol Conf Calgary Abstract 26
  • Cresti M, Ciampolini F, Mulcahy DLM, Mulcahy G (1985) Ultrastructure of Nicotiana alata pollen, its germination and early tube formation. Amer J Bot 72: 719-727
  • Cresti M, Hepler PK, Tiezzi A, Ciampolini F (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
  • Desprez B, Chupeau Y, Bourgin JP (1995) Preparation and fusion properties of protoplasts from mature pollen of Nicotiana tabacum. Pl Cell Reports 14: 199-203
  • Edgeworth MP (1877) Pollen. Hardwicke & Bogue, London : 92 pp, 24 pl
  • Erdtman G (1952) Pollen morphology and plant taxonomy. Angiosperms. Almquist & Wiksell, Stockholm
  • Garrido D, Vicente O, Heberle-Bors E, Rodríguez-Garcia MI (1995) Cellular changes during the acquisitionof embryogenic potential in isolated pollen grains of Nicotiana tabacum. Protoplasma 186: 220-230
  • Jagannadham D (1988) Embryological studies in Nicotiana tabacum and N. rustica. J Indian Bot Soc 67: 135-141
  • Mignot A, Dajoz I, Till-Bottraud I (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
  • Perveen A, Ali T, Quaiser M (1994) Pollination types and pollen characters within flora of Karachi. Pak J Bot 26: 35-56
  • Polo JM, Diez MJ (1986) Contribución al atlas palinológico de Andalucia occidental. IV Solanaceae. Lagascalia 14: 45-66
  • Polo JM, Diez MJ (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
  • Punt W, Monna-Brands M (1977) Solanaceae. Rev Palaeobot Palynol 23: 1-30
  • Saxena SK, Tewari MN (1974) Pollen morphology of some plants of Western Rajasthan. Solanaceae. First Indian Palynological Congr Panjab Univ : 11 pp
  • Till-Bottraud I, Mignot A, De PR, Dajoz I (1995) Pollen heteromorphism in Nicotiana tabacum (Solanaceae). Amer J Bot 82: 1040-1048
  • Trigo MM (1992) Contribución al estudio polínico de especies ornamentales: Solanaceae, Convolvulaceae e Hydrophyllaceae. Acta Bot Malacitana 17: 209-222
  • 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:

Halbritter H., Schneider H. 2016. Nicotiana tabacum. In: PalDat - A palynological database. https://www.paldat.org/pub/Nicotiana_tabacum/302379;jsessionid=A6B93B2BEDFF239E829F4C6B31BB794C; accessed 2018-11-20

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