Abstract
Salix is a diverse genus of several hundred species, some being tall trees, others creeping brushwood while most are medium-sized bushes. They are popularly known as willows and in some cases as sallows and osiers. Almost all are dioecious, with the numerous, insect-pollinated flowers in cylindrical inflorescences, catkins. Each flower is situated behind a bract, or flower scale, on the catkin, and is composed of one or more nectaries and one pistil (in female plants) or a few anthers (in male plants). The seeds, several in each capsule, have conspicuous seed hairs and are wind dispersed. The seed is made up of a well developed embryo surrounded by a thin seed coat. It usually loses its viability unless germination takes place within a few days, since it has nearly no food reserves. The seedlings are delicate and cannot cope with competition from other plants. The leaves are simple and arranged spirally, with stipules that sometimes fall off at an early stage. Buds are protected by a single bud-scale.
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Grönroos, L. (1995). Somatic embryogenesis in Salix . In: Jain, S.M., Gupta, P.K., Newton, R.J. (eds) Somatic Embryogenesis in Woody Plants. Forestry Sciences, vol 44-46. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0491-3_13
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DOI: https://doi.org/10.1007/978-94-011-0491-3_13
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