Brief introduction of camphor tree and French phoenix tree.

Cinnamomum camphora, also known as camphor tree and camphor tree, is one of the four famous trees in the south of the Yangtze River. Cinnamomum camphora is a subtropical tree species, mainly distributed in the south of the Yangtze River, and it is an evergreen tall tree of Catalpa in Lauraceae. Flowers in early summer, yellow-green, panicle, broad crown, lush foliage, shady everywhere, magnificent momentum, is an excellent street tree and shade tree. Cinnamomum camphora has the characteristics of temperature resistance, corrosion resistance and insect repellent because of its special aroma and volatile oil. It is an ideal material for making expensive furniture, high-grade buildings, shipbuilding and sculpture. Camphor for daily use is a white crystal extracted from the roots, stems, branches and leaves of camphor tree. It is colorless and transparent, and has a cool fragrance. Used for moth prevention, and also widely used in medicine and chemical industry. In the folk, people often regard Cinnamomum camphora as a landscape tree and a geomantic tree, which means avoiding evil spirits, longevity and good luck. Sycamore tree, also known as French sycamore tree, is scientifically known as Platanus acerifolia. Deciduous trees, up to 35 meters high; Branches spread out and the crown is wide; Bark is grayish green, irregular flake, pink green, and smooth after flake peeling. Leaf blade triangular, 9-15cm long, 9-17cm wide, 3-5 palmately divided, with irregular sharp teeth and wavy teeth at the edge, truncated or nearly heart-shaped at the base, stellate hairs when tender, and nearly hairless at the back. Globular inflorescence 2 in diameter. 5-3.5 cm, usually 2 in a string, shaped like a bell; The flower is about 4 mm long; Sepals 4; Petals 4; Male flower; Male flowers have 4-8 stamens; The female flower has six independent carpels. Flowering in May, fruit ripening in September -65438+ 10. The tree has a tall trunk, lush foliage, rapid growth, easy survival and pruning resistance, so it is widely planted as a street greening tree species and a fast-growing timber tree species. It has strong resistance to toxic gases such as sulfur dioxide and chlorine.