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Buxus
Buxus is a genus of about seventy species in the family Buxaceae. Common names include box and boxwood.
The boxes are native to western and southern Europe, southwest, southern and eastern Asia, Africa, Madagascar, northernmost South America, Central America, Mexico and the Caribbean, with the majority of species being tropical or subtropical; only the European and some Asian species are frost-tolerant. Centres of diversity occur in Cuba (about 30 species), China (17 species) and Madagascar (9 species).
They are slow-growing evergreen shrubs and small trees, growing to 2–12 m (rarely 15 m) tall. The leaves are opposite, rounded to lanceolate, and leathery; they are small in most species, typically 1.5–5 cm long and 0.3–2.5 cm broad, but up to 11 cm long and 5 cm broad in B. macrocarpa. The flowers are small and yellow-green, monoecious with both sexes present on a plant. The fruit is a small capsule 0.5–1.5 cm long (to 3 cm in B. macrocarpa), containing several small seeds.
The genus splits into three genetically distinct sections, each section in a different region, with the Eurasian species in one section, the African (except northwest Africa) and Madagascan species in the second, and the American species in the third. The African and American sections are genetically closer to each other than to the Eurasian section.
The genomes of Buxus austro-yunnanensis and Buxus sinica have been sequenced.
Box plants are commonly grown as hedges and for topiary.
In Britain and mainland Europe, box is subject to damage from caterpillars of Cydalima perspectalis which can devastate a box hedge within a short time. This is a recently introduced species first noticed in Europe in 2007 and in the UK in 2008 but spreading. There were 3 UK reports of infestation in 2011, 20 in 2014 and 150 in the first half of 2015.
Owing to its fine grain it is a good wood for fine wood carving, although this is limited by the small sizes available. It is also resistant to splitting and chipping, and thus useful for decorative or storage boxes.
Buxus
Buxus is a genus of about seventy species in the family Buxaceae. Common names include box and boxwood.
The boxes are native to western and southern Europe, southwest, southern and eastern Asia, Africa, Madagascar, northernmost South America, Central America, Mexico and the Caribbean, with the majority of species being tropical or subtropical; only the European and some Asian species are frost-tolerant. Centres of diversity occur in Cuba (about 30 species), China (17 species) and Madagascar (9 species).
They are slow-growing evergreen shrubs and small trees, growing to 2–12 m (rarely 15 m) tall. The leaves are opposite, rounded to lanceolate, and leathery; they are small in most species, typically 1.5–5 cm long and 0.3–2.5 cm broad, but up to 11 cm long and 5 cm broad in B. macrocarpa. The flowers are small and yellow-green, monoecious with both sexes present on a plant. The fruit is a small capsule 0.5–1.5 cm long (to 3 cm in B. macrocarpa), containing several small seeds.
The genus splits into three genetically distinct sections, each section in a different region, with the Eurasian species in one section, the African (except northwest Africa) and Madagascan species in the second, and the American species in the third. The African and American sections are genetically closer to each other than to the Eurasian section.
The genomes of Buxus austro-yunnanensis and Buxus sinica have been sequenced.
Box plants are commonly grown as hedges and for topiary.
In Britain and mainland Europe, box is subject to damage from caterpillars of Cydalima perspectalis which can devastate a box hedge within a short time. This is a recently introduced species first noticed in Europe in 2007 and in the UK in 2008 but spreading. There were 3 UK reports of infestation in 2011, 20 in 2014 and 150 in the first half of 2015.
Owing to its fine grain it is a good wood for fine wood carving, although this is limited by the small sizes available. It is also resistant to splitting and chipping, and thus useful for decorative or storage boxes.