Within the Alnus glutinosa article...


Similar to ‘Imperialis’, but not so deeply and narrowly lobed; lobes not toothed. In his review of the cut-leaf alders, Hylander accepts the statement made by Thouin (1819), and quoted by Loudon, that all the plants of this form descend from one grown in a garden near St Germain, ‘where the stool still remains from which all the nurseries of Paris have been supplied with plants, and, probably all Europe’. It makes a tree of some size, and reached 70 ft at Syon Park, Middlesex.It has been confused with f. incisa, but in that group the leaves are small and of rounded outline, with toothed lobes, whereas in ‘Laciniata’ the leaves are oblong and the lobes pointed and untoothed.


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