Lawson's cypress

 

noun

  • a slender North American conifer with dense foliage and lower branches arising at ground level. It is widely grown for timber and as an ornamental with many cultivars.
    • Chamaecyparis lawsoniana, family Cupressaceae

Origin:

mid 19th century: named after Peter Lawson (died 1820) and his son Charles (1794–1873), the Scottish nurserymen who first cultivated it