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an online publication on recent pollen

Polygala amara

Taxonomy: Angiospermae, Fabales, Polygalaceae, Polygala

Published: 2016-08-11

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): no suitable term,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: colporus,  aperture condition: colporate, stephanocolporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: starch,  cell number: 3-celled,  Ubisch bodies: absent

Author(s) of diagnosis: Bombosi, Paula

Pictures

flower(s)

1. flower(s)

polar view,upper focus

2. polar view, upper focus

optical section

3. optical section

polar view,lower focus

4. polar view, 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 (dry pollen grain)

9. polar view (dry pollen grain)

dry pollen grain in equatorial view

10. dry pollen grain in equatorial view

pollen grain in cross section

11. pollen grain in cross section

interapertural area of pollen wall, intine (I), endexine (E)

12. interapertural area of pollen wall, intine (I), endexine (E)

apertural area of pollen wall, intine (I)

13. apertural area of pollen wall, intine (I)

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. polar view, upper focus - dry, acetolyzed, unstained, photographer: Bombosi, P.
  3. optical section - dry, acetolyzed, unstained, photographer: Bombosi, P.
  4. polar view, lower focus - dry, acetolyzed, unstained, photographer: Bombosi, P.
  5. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  6. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  7. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  9. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Bombosi, P.
  10. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Bombosi, P.
  11. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
  12. interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
  13. apertural area of pollen wall, intine (I) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Bombosi, P.

Literature

  • Arreguin-Sanchez ML, Palacios-Chavez R, Quiroz-Garcia DL, Ramos-Zamora D (1988) Morfologia de los granos de polen de la familia Polygalaceae del Valle de Mexico. Acta Bot Mex 4: 21-27
  • Braga R (1961) Palynological notes - 3. Contribution to the study of the pollen morphology of genus Polygala L. Tribuna Farm, Brasil 29: 54-55
  • Eriksen B (1993) Phylogeny of the Polygalaceae and its taxonomic implications. In: Eriksen B., Taxonomical studies in the Polygalaceae and Valerianaceae. Thesis, University of Göteborg V: 1-17
  • Larson DA, Skvarla JJ (1961) The morphology and fine structure of pollen of Polygala alba Nutt. and P. incarnata L. Pollen et Spores 3: 21-32
  • Merxmüller H, Heubl GR (1983) Karyologische und palynologische Studien zur Verwandtschaft der Polygala chamaebuxus L. Bot Helv 93: 133-144
  • Nauman CE (1981) Polygala grandiflora Walter (Polygalaceae) re-examined. Sida 9: 1-18
  • Paiva J, Santos DJD (1990) The pollen grain of Polygala fruticosa Berg (Polygalaceae). Anales Jard Bot Madrid 47: 377-385
  • Palacios-Chavez R, Arreguin-Sánchez ML, Quiroz-Garcia DL (1990) Flora polínica de Chamela, Jalisco (Familias Alismaceae, Anacardiaceae, Begoniaceae, Bixaceae, Cochlospermaceae, Hernandiaceae y Polygalaceae). Cuadernos de trabajo INAH 42: 95-112
  • Phatak MS, Kumbhojkar MS (1992) Palyno-taxonomical study of the genus Polygala L. from Western Maharashtra. In: Abstracts. Proc of the 79° session of the Indian Science congress, Baroda : 47
  • Simpson BB, Skvarla JJ (1981) Pollen morphology and ultrastructure of Krameria (Krameriaceae): untility in question of intrafamilial and interfamilial classification. Amer J Bot 68: 277-294
  • Villanueva E, Ramos A (1986) Contribución al estudio polínico de Polygala L. (Polygalaceae) en la Península Ibérica. An Jard Bot Madrid 42: 377-388
  • 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:

Bombosi P., Halbritter H. 2016. Polygala amara. In: PalDat - A palynological database. https://www.paldat.org/pub/Polygala_amara/301323;jsessionid=B906DEE864DB18B715BFC3DC607A1539; accessed 2019-02-20

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