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an online publication on recent pollen

Primula vulgaris

Taxonomy: Angiospermae, Ericales, Primulaceae, Primula

Published: 2016-12-02

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: >6,  aperture type: colpus,  aperture condition: colpate, stephanocolpate,  aperture peculiarities: aperture membrane smooth, stephanoaperturate

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate,  TEMtectum: semitectate,  infratectum: absent,  foot layer: absent,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: lipids,  cell number: 2-celled,  Ubisch bodies: absent

Annotations

pollen dimorphism of herostylous flowers; pollen of long-styled morph smaller with about 7 colpi; short-styled morph with about 9 colpi

Author(s) of diagnosis: Halbritter, Heidemarie; Radivo, Pauli

Pictures

hydrated pollen grains (long-styled morph)

1. hydrated pollen grains (long-styled morph)

polar view (short-styled morph)

2. polar view (short-styled morph)

equatorial view (short-styled morph)

3. equatorial view (short-styled morph)

aperture (long-styled morph)

4. aperture (long-styled morph)

exine surface (long-styled morph)

5. exine surface (long-styled morph)

polar area (short-styled morph)

6. polar area (short-styled morph)

dry pollen grains (long-styled morph)

7. dry pollen grains (long-styled morph)

dry pollen grains (short-styled morph)

8. dry pollen grains (short-styled morph)

pollen grain in cross section (long-styled morph)

9. pollen grain in cross section (long-styled morph)

pollen grain in cross section (long-styled morph)

10. pollen grain in cross section (long-styled morph)

pollen grain in cross section with pollenkitt droplets (long-styled morph)

11. pollen grain in cross section with pollenkitt droplets (long-styled morph)

pollen wall (long-styled morph)

12. pollen wall (long-styled morph)

detail of exine (long-styled morph)

13. detail of exine (long-styled morph)

Picture legend

  1. hydrated pollen grains (long-styled morph) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. polar view (short-styled morph) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view (short-styled morph) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture (long-styled morph) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface (long-styled morph) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar area (short-styled morph) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains (long-styled morph) - dry, sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen grains (short-styled morph) - dry, sputter coated with gold, photographer: Halbritter, H.
  9. pollen grain in cross section (long-styled morph) - fresh, Karnovsky-fixation, modified Thiéry-test, photographer: Radivo, P.
  10. pollen grain in cross section (long-styled morph) - fresh, Karnovsky-fixation, modified Thiéry-test, photographer: Radivo, P.
  11. pollen grain in cross section with pollenkitt droplets (long-styled morph) - fresh, Karnovsky-fixation, modified Thiéry-test, photographer: Radivo, P.
  12. pollen wall (long-styled morph) - fresh, Karnovsky-fixation (microwave), modified Thiéry-test, photographer: Radivo, P.
  13. detail of exine (long-styled morph) - fresh, Karnovsky-fixation, modified Thiéry-test, photographer: Radivo, P.

Literature

  • Bahadur B, Bangaru LS, Ramaswamy N (1984) Pollen morphology and heterostyly - a systematic and critical account. Adv Pollen - Spore Res 12: 79-126
  • Bahadur B, Swamy NR (1993) Pollen exine dimorphism in ten heterostylous species. J Palynol 29: 77-88
  • Dahlgren KVO (1916) Zytologische und embryologische Studien über die Reihen Primulales und Plumbaginales. Kungl Svenska Veten Handl 56: 1-80
  • Fernandez I, Garcia-Martin F (1985) Morfología polínica de la familia Primulaceae en Andalucía occidental. An Asoc Palinol Leng Esp 2: 107-115
  • Filina NN, Permjakov AI (1970) Morphologie des grains de pollen de quelques Myrtaceae et Primulaceae. Vest mosk Univ 6 25: 47-52
  • Kao MT, De VCE (1970) The Primulaceae of Taiwan. Taiwania 15: 51-72
  • Pandey KK, Troughton JH (1974) Scanning electron microscopic observations of pollen grains and stigma in the self incompatible heteromorphic species Primula malacoides Franch. and Forsythia x intermedia Zab and genetics of sporopollenin deposition. Euphytica 23: 337-344
  • Piper J, Charlesworth B (1986) The evolution of distyly in Primula vulgaris. Biol J Linn Soc 29: 123-137
  • Punt W, De LVWJS, Van Oostrum WAP (1974) Primulaceae. Rev Palaeobot Palynol, NEPF 17: 31-70
  • Richards J (1993) Primula. Batsford Ltd, London : 299 pp
  • Spanowsky W (1962) Die Bedeutung der Pollenmorphologie für die Taxonomie der Primulaceae-Primuloideae. Feddes Rep 65: 149-214
  • Subramanyam K, Narayana LL (1968) Floral anatomy and embryology of Primula floribunda Wall. Phytomorphology 18: 105-113
  • Tarnavschi IT, Mitroiu N (1960) Considérations palynologiques sur les représentants de la famille des Primulacées de la flora Roumaine. Com Ac RPR 10: 111-118
  • Wendelbo P (1961) Studies in Primulaceae - II. An account of Primula subgenus Sphondylia with a review of the subdivisions of the genus. Ab Univ Bergen matnaturv Ser 11: 1-49
  • 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., Radivo P. 2016. Primula vulgaris. In: PalDat - A palynological database. https://www.paldat.org/pub/Primula_vulgaris/302686;jsessionid=1372644E615ADF5D9FFA126675D66C1E; accessed 2018-11-18

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