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an online publication on recent pollen

Primula meadia

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): small (10-25 µm),  pollen class: synaperturate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): triangular,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, syncolpate,  aperture peculiarities: synaperturate, aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Annotations

shape hydrated spheroidal to slightly oblate with triangular outline; colpate or colporate (?)

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

hydrated pollen grains

2. hydrated pollen grains

polar view

3. polar view

equatorial view

4. equatorial view

oblique view

5. oblique view

aperture

6. aperture

detail of aperture

7. detail of aperture

exine surface

8. exine surface

polar area

9. polar area

dry pollen grains

10. dry pollen grains

Ubisch bodies on inner anther wall

11. Ubisch bodies on inner anther wall

Picture legend

  1. inflorescence(s), photographer: Buchner, R.
  2. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  11. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

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
  • Reille M (1992) Pollen et spores d'Europe et d'Afrique du Nord. Laboratoire de Botanique historique et Palynologie, Marseille : 520 pp, 446 pl
  • 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., Buchner R. 2016. Primula meadia. In: PalDat - A palynological database. https://www.paldat.org/pub/Primula_meadia/302633;jsessionid=255D40C388ED82977D4B02F6636EE2EE; accessed 2018-11-21

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