Salix caprea
Taxonomy: Angiospermae, Malpighiales, Salicaceae, Salix
Published: 2021-06-29
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): 11-15 µm, 16-20 µm, shortest polar axis in equatorial view (LM): 11-15 µm, longest polar axis in equatorial view (LM): -, 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
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, suprasculpture SEM: -, TEM tectum: 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; Auer, Waltraud
Pictures
1. flower(s)
2. hydrated Pollen
3. hydrated Pollen
4. hydrated Pollen
5. polar view
6. equatorial view
7. aperture
8. polar area
9. exine surface
10. dry pollen grains
11. detail of pollen wall
12. detail of pollen wall
Picture legend
- flower(s), photographer: Halbritter, H.
- hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- detail of pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Hesse, M.
- detail of pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Hesse, M.
Literature
- (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
- (1967) Sporoderm in Populus and Salix. Grana Palynol 7: 517-567
- (1982) Entomophily in Salix. II. Efficacy and flower constancy of insects visiting some willows and sallows. Beitr Biol Pflanzen 56: 105-116
- (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., Auer W. 2021. Salix caprea. In: PalDat - A palynological database. https://www.paldat.org/pub/Salix_caprea/306378; accessed 2025-04-30