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Vachellia xanthophloea
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''Vachellia xanthophloea'' is a tree in the Fabaceae family and is commonly known in English as the fever tree (local East African names include olerai, kimwea, murera, and mwelele). This species of ''Vachellia'' is native to eastern and southern Africa. It can be found in Botswana, Kenya, Malawi, Mozambique, Somalia, South Africa, Swaziland, Tanzania, Zambia and Zimbabwe. It has also become a landscape tree in other warm climates, outside of its natural range.
==Description==
The trees grow to a height of 15–25 m. The characteristic bark is smooth, powdery and greenish-yellow in colour. It is one of the few trees where photosynthesis takes place in the bark. Straight, white spines grow from the branch nodes in pairs. The leaves are twice compound, with small leaflets (8×2 mm). The flowers are produced in scented pale cream spherical inflorescences, clustered at the nodes and towards the ends of the branches.
Fever trees are fast-growing and short-lived. They have a tendency to occur as single-aged stands, and are subject to stand-level diebacks that have been variously attributed to elephants, water tables, and synchronous senescence.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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