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  2. Bark (botany) - Wikipedia

    en.wikipedia.org/wiki/Bark_(botany)

    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.

  3. Alnus rubra - Wikipedia

    en.wikipedia.org/wiki/Alnus_rubra

    The bark is mottled, ashy-gray and smooth, often colonized by white lichen and moss. [8] The leaves are ovate, 7 to 15 centimetres (2 + 3 ⁄ 4 to 6 in) long, with bluntly serrated edges and a distinct point at the end; the leaf margin is revolute, the very edge being curled under, a diagnostic character which distinguishes it from all other ...

  4. Melaleuca quinquenervia - Wikipedia

    en.wikipedia.org/wiki/Melaleuca_quinquenervia

    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.

  5. Maclura pomifera - Wikipedia

    en.wikipedia.org/wiki/Maclura_pomifera

    Leaves are arranged alternately in a slender growing shoot 90 to 120 centimetres (3–4 ft) long. In form they are simple , a long oval terminating in a slender point. The leaves are 8 to 13 centimetres (3–5 in) long and 5 to 8 centimetres (2–3 in) wide, and are thick, firm, dark green, shining above, and paler green below when full grown.

  6. Cinchona - Wikipedia

    en.wikipedia.org/wiki/Cinchona

    The bark of trees in this genus is the source of a variety of alkaloids, the most familiar of which is quinine, an antipyretic (antifever) agent especially useful in treating malaria. [ 50 ] [ 51 ] For a while the extraction of a mixture of alkaloids from the cinchona bark, known in India as the cinchona febrifuge, was used.

  7. Melaleuca styphelioides - Wikipedia

    en.wikipedia.org/wiki/Melaleuca_styphelioides

    [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.

  8. Acer leucoderme - Wikipedia

    en.wikipedia.org/wiki/Acer_leucoderme

    The name "chalk maple" (in addition to the Latin name, meaning "white skin") comes from the attractive smooth and thin chalky white or light gray bark on mature trees. The bark becomes ridged and blackish at the base as it ages. The leaves are opposite and simple, 5–9 cm long and broad, often drooping at the tip. They have 5 or 3 long-pointed ...

  9. Quercus pagoda - Wikipedia

    en.wikipedia.org/wiki/Quercus_pagoda

    The bark is gray and has scaly, narrow ridges. [3] Close-up view of stellate hairs on leaf underside. Foliage: The name pagoda refers to the tiered shape of cherrybark's leaves, which are reminiscent of the shape of a pagoda. Its simple, alternate leaves generally have V-shaped bases, deeply incised lobes (5 to 11), and short, broad, uncurved tips.