Lenga is a temperate species growing on a wide variety of sites from sea level to 2000 m. It is one of several southern beeches growing in South America and is the second most abundant tree species in Chile and Argentina; it is largely underutilised. The wood is quite versatile and easy to process and could be a substitute for maple and cherry. Little is planted in Britain, but Lenga could find a niche in the right sites to assist with forest diversification.
Lenga is categorised as a Plot-stage species. These are species that have demonstrated some positive silvicultural characteristics at the Specimen-stage and are now subject to further testing and development in a limited number of trial plots.
Nothofagus is a southern hemisphere genus in the Fagaceae family and relatively close taxonomically to our native beech. Roble, and its sister species Rauli (N. alpina), were introduced early in the 20th Century and widely planted as individuals and in small plots as a promising exotic broadleaved tree.
It is currently cold limited in Britain, but this species may benefit from climate warming and be suited to a wider range of sites in northern Britain, wherever its site requirements are met.
Roble is categorised as a Secondary tree species. These are species that have demonstrated positive silvicultural characteristics in trial plots but gaps in our knowledge constrain their wider use. These species are being actively evaluated to increase understanding and inform future deployment.
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