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Bosistoa floydii
''Bosistoa floydii'', known as the Five-leaf Bosistoa or Five-leaf Bonewood is a rainforest tree found in north eastern New South Wales, Australia. A member of the citrus family, it is rare plant, with a ROTAP rating of 2RCi
The tree was first described in 1977 by Thomas Gordon Hartley. The generic name ''Bosistoa'' honours the name of Joseph Bosisto, a manufacturer of essential oils. The specific epithet '' floydii'' honours the eminent Australian rainforest botanist Alexander Floyd.〔Floyd, A.G., ''Rainforest Trees of Mainland South-eastern Australia'', Inkata Press 2008, ISBN 978-0-9589436-7-3 page 351〕
''Bosistoa floydii'' grows as a small tree with a spreading crown which may reach in height. The trunk is buttressed and can reach a diameter of . The bark is grey. The leaves are arranged oppositely on the thick green or fawn branches and are pinnate - made up of five (rarely seven) roughly spear shaped glossy leaflets, which measure wide and long with a pointed apex. The leaves have prominent oil glands. Appearing in October and November, the tiny white flowers are arranged in creamy white panicles which are terminal or near terminal and reach in length, The flowers themselves have five sepals measuring 1 mm long, and five petals ovals 3 to 5 mm long. Flowering is followed by one or rarely two small warty woody yellow-brown fruit which ripen in February.〔
It is a rare species, restricted to two river valleys in Northern New South Wales, the Orara and Richmond River valleys. It grows in subtropical rainforest on basalt or rich alluvial soils.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Bosistoa floydii」の詳細全文を読む
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