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[2] [7] The bark is used medicinally against diarrhoea. Oxalic acid can be extracted from it. The bark and especially the fruit yield pyrogallol and catechol to dye and tan leather. Water stored in the stem is often tapped and used as a source of potable water in the summer by forest folk. It is also thought to have curative value for stomach pain.
Among the commercial products made from bark are cork, cinnamon, quinine [48] (from the bark of Cinchona) [49] and aspirin (from the bark of willow trees). The bark of some trees, notably oak (Quercus robur) is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber production are often used in bark mulch.
[2] [3] The spongy bark is white or light brown and peels off in large strips. [3] The leaves are sessile , 7–15 mm (0.3–0.6 in) long and 2.5–6 mm (0.1–0.2 in) wide. [ 2 ] They are slightly twisted, have sharply-pointed tips, are arranged alternately on the branchlets and have between 15 and 30 veins.
Melaleuca quinquenervia, commonly known as the broad-leaved paperbark, paper bark tea tree, punk tree or niaouli, is a small- to medium-sized tree of the myrtle family, Myrtaceae. It grows as a spreading tree up to 20 m (70 ft) tall, with its trunk covered by a white, beige and grey thick papery bark.
Melaleuca (/ ˌ m ɛ l ə ˈ lj uː k ə /) is a genus of nearly 300 species of plants in the myrtle family, Myrtaceae, commonly known as paperbarks, honey-myrtles, bottlebrushes or tea-trees (although the last name is also applied to species of Leptospermum).
Acer leucoderme (English: chalk maple; also whitebark maple, pale-bark maple and sugar maple [2]) is a deciduous tree native to the southeastern United States from North Carolina south to northwest Florida and west to eastern Texas. It lives in the understory in moist, rocky soils on river banks, ravines, woods, and cliffs.
Acer platanoides is a deciduous tree, growing to 20–30 m (65–100 ft) tall with a trunk up to 1.5 m (5 ft) in diameter, and a broad, rounded crown. The bark is grey-brown and shallowly grooved. Unlike many other maples, mature trees do not tend to develop a shaggy bark. The shoots are green at first, soon becoming pale brown.
The bark is collected in the spring or early summer, when it easily peels from the tree. [30] Once stripped from the tree, the bark must be aged for several months, because fresh cut, dried bark causes vomiting and violent diarrhea. This drying is generally done in the shade to preserve its characteristic yellow color.