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Camphora officinarum is a species of evergreen tree indigenous to warm temperate to subtropical regions of East Asia, including countries such as China, Taiwan, Vietnam, Korea, and Japan. It is known by various names, most notably the camphor tree, camphorwood or camphor laurel. [1] [2] [3]
Their leaves are alternate and pinnately veined or weakly tripliveined, which differed from the opposite or subopposite and tripliveined leaves of Cinnamomum species. [1] The tepals do not persist when fruiting, unlike in Cinnamomum species, where they are persistent or at least partially persistent. [ 2 ]
Camphora parthenoxylon is an evergreen tree, which grows up to 50 metres tall. [1] [11] with a trunk to 60 cm in diameter. [11] The tree has gray to brown bark. Its leaves are glossy green ovals 7–10 cm long with a point at the end. Like many plants in the Lauraceae, the leaves give off a pleasant smell when crushed. The flowers appear in ...
Camphor can also be synthetically produced from oil of turpentine. The compound is chiral, existing in two possible enantiomers as shown in the structural diagrams. The structure on the left is the naturally occurring (+)-camphor ((1R,4R)-bornan-2-one), while its mirror image shown on the right is the (−)-camphor ((1S,4S)-bornan-2-one ...
The camphor bush can reach up to 6 meters in height. The twigs and younger stems are white-felted, as are the undersides of the leaves. The upper leaf surface is dark olive-green. Bruised leaves smell strongly of camphor. Tarchonanthus camphoratus is dioecious.
Simple, alternate, broadly elongated leaves, 7-20 cm long, with toothed margin and appendaged or divided base. Loose yellow flower head scattered along much-branched leafy panicles. Two types of discoid flowers: peripheral ones tiny, more numerous, with tubular corolla; central flowers few, large with campanulate corolla.
Foliage of Cinnamomum glanduliferum. Cinnamomum glanduliferum is an evergreen tree reaching a height around 5–20 m (16–66 ft). Leaves are shiny, dark green, alternate, petiolated, elliptic to ovate or lanceolate, 6–15 cm (2.4–5.9 in) long and 4–6.5 cm (1.6–2.6 in) wide.
The tree can grow up to 30 m tall, 2 m across; evergreen trees; bark brown, fissured; branchlets glabrous, and yellow-green in color; leaves alternate, coriaceous, entire, margins often wavy, broadly ovate, ovate to elliptic, polished, 10–15 cm long, 4–7.5 cm wide, green and glabrous on both sides, usually with 0–3 or often 5 main veins, rarely with pinnate veins, lateral veins 2–3 ...