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American sweetgum (Liquidambar styraciflua), also known as American storax, [3] hazel pine, [4] bilsted, [5] redgum, [3] satin-walnut, [3] star-leaved gum, [5] alligatorwood, [3] gumball tree, [6] or simply sweetgum, [3] [7] is a deciduous tree in the genus Liquidambar native to warm temperate areas of eastern North America and tropical montane regions of Mexico and Central America.
The wood is used for furniture, interior finish, paper pulp, veneers and baskets of all kinds. The heartwood once was used in furniture, sometimes as imitation mahogany or Circassian walnut. It is used widely today in flake and strand boards. Sweetgum is a foodplant for various caterpillars. The American sweetgum is widely planted as an ...
The fruits ripen in November to December, and the seeds are wind dispersed. The tree is very attractive and especially valued for its colourful autumn leaves. Oriental sweet gum trees favour an elevation of between 0–400 m (0–1,312 ft), a mean annual rainfall of 1,000–1,200 mm (39–47 in) and a mean annual temperature of 18 °C (64 °F).
The stem bark is used in the treatment of fluxes and skin diseases. The fruits used in the treatment of arthritis, lumbago, oedema, oliguria, and decreased milk production and skin diseases. The resin from the stems is used to treat bleeding boils, carbuncles, toothache and tuberculosis. The trunk of this tree can be used for aromatic resin. [3]
The wood exudes a sweet-smelling resin when pierced, giving the tree its common name. [ 4 ] Liquidambar acalycina is cultivated as an attractive ornamental tree for parks and gardens, and is hardy down to −15 °C (5 °F) or less.
Nyssa sylvatica, commonly known as tupelo, black tupelo, black gum or sour gum, [2] [a] is a medium-sized deciduous tree native to eastern North America from the coastal Northeastern United States and southern Ontario south to central Florida and eastern Texas, as well as Mexico.
Scaphium affine has culinary and traditional medicinal uses. In English, it is known as malva nut tree, or sometimes "Taiwan sweet gum tree", although these names also apply to the similar Scaphium macropodum (Vietnamese: ươi).
Myrrh is harvested by repeatedly wounding the trees to bleed the gum, which is waxy and coagulates quickly. After the harvest, the gum becomes hard and glossy. The gum is yellowish and may be either clear or opaque. It darkens deeply as it ages, and white streaks emerge. [3] Myrrh gum is commonly harvested from trees of the genus Commiphora.