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PalDat - Palynological Database

an online publication on recent pollen

Salix caprea

Taxonomy: Angiospermae, Malpighiales, Salicaceae, Salix

Published: 2020-07-28

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): 16-20 µm,  shortest polar axis in equatorial view (LM): 11-15 µm,  longest polar axis in equatorial view (LM): 16-20 µm,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 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, tricolporate,  aperture peculiarities: margo

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate,  suprasculpture SEM: -,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Hesse, Michael; Halbritter, Heidemarie; Heigl, Helmut

Pictures

flower(s)

1. flower(s)

hydrated Pollen

2. hydrated Pollen

hydrated Pollen

3. hydrated Pollen

hydrated Pollen

4. hydrated Pollen

polar view

5. polar view

equatorial view

6. equatorial view

aperture

7. aperture

polar area

8. polar area

exine surface

9. exine surface

dry pollen grains

10. dry pollen grains

detail of pollen wall

11. detail of pollen wall

detail of pollen wall

12. detail of pollen wall

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  11. detail of pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Hesse, M.
  12. detail of pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Hesse, M.

Literature

  • Meeuse ADJ (1978) Entomophily in Salix: theoretical considerations. In: Richards A.J. (ed) The Pollination of Flowers by Insects. Linnean Society Symposium Series No 6 : 47-50
  • Rowley JR, Erdtman G (1967) Sporoderm in Populus and Salix. Grana Palynol 7: 517-567
  • Van Der WF, Cappellato R, Meeuse ADJ (1982) Entomophily in Salix. II. Efficacy and flower constancy of insects visiting some willows and sallows. Beitr Biol Pflanzen 56: 105-116
  • 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:

Hesse M., Halbritter H., Heigl H. 2020. Salix caprea. In: PalDat - A palynological database. https://www.paldat.org/pub/Salix_caprea/303754;jsessionid=336F0100D03EA1D80363971C8CFBDC94; accessed 2020-08-14

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