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''Myoporum montanum'', commonly known as waterbush or boobialla, is a shrub native to Australia, New Guinea and Timor. The species is extremely variable in size growth habit and leaf form, with three primary forms recognised. Its occurrence in many places is restricted to coastal regions, watercourses and other locales with more reliable water supplies. It was this association with water that gave rise to the name water bush. == Description == ''Myoporum montanum'' grows as a hairless shrub or small tree, up to tall. It is difficult to distinguish from ''Myoporum acuminatum'' and the ranges of the two species overlap. George Bentham considered ''M. montanum'' to be a variety of ''Myoporum acuminatum''. ''M. montanum'' has smaller, narrower leaves, the sepals of ''M. montanum'' lack the translucent margins of those of ''M. acuminatum''. The fruit of ''M. montanum'' is also pink or light purple compared with the dark purple or blue fruit of ''M. acuminatum''. The leaves of waterbush are variable in shape but are most often thin, linear to elliptic in shape, gradually tapering to the tip with the mid-vein visible on the lower side only. They are usually about long, wide, glabrous, the same colour on both side and have smooth edges.〔〔(【引用サイトリンク】url=http://keys.trin.org.au/key-server/data/0e0f0504-0103-430d-8004-060d07080d04/media/Html/taxon/Myoporum_montanum.htm )〕 Sweet scented flowers grow in clusters of one to five from the leaf axils, on stalks long. There are 5 egg-shaped to triangular sepals with slightly papery margins but are only translucent near their base. The flowers feature five, rarely six white or occasionally light pink or purple petals, which may have rows of purple spots. The petals form a tube long, with lobes about the same length. The total diameter of the flower is about . Flowering occurs mostly in winter and summer and is followed by fruits which are smooth or slightly rough drupes. The drupes are ovoid in shape, in diameter, light purple, red purple or brown in colour. Remnants of the flower style point out of the fruit.〔〔〔〔(【引用サイトリンク】url=http://keys.lucidcentral.org/keys/v3/scotia/key/Plants%20and%20Fungi%20of%20south%20western%20NSW/Media/Html/Myoporum_montanum.htm )〕 There are three forms of this species, recognised by Robert Chinnock. They are: * Type form, from the Blue Mountains has narrow, linear leaves and small flowers which are only faintly spotted, if at all; * Desert form, from arid areas of Australia is a large shrub or small tree which has thick, elliptic leaves and flowers prominently spotted purplish red; * Tropical form, from northern Australia, New Guinea, Timor has thin leaves and very small, unspotted white flowers.〔 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「Myoporum montanum」の詳細全文を読む スポンサード リンク
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