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''Laburnum alpinum'', scotch laburnum or alpine laburnum, is a leguminous, (''Leguminosae''), deciduous tree. ==Description== ''Laburnum alpinum'' is similar to ''Laburnum anagyroides'',〔Webb, D.A., Parnell, J. and Doogue, D. 1996. ''An Irish Flora.'' Dundalgan Press Ltd. Dundalk. ISBN 0-85221-131-7〕 it grows to by , at a fast rate. It is hardy to zone 5. It is in flower from May to June, and the seeds ripen from September to October. The panicles of vanilla scented, pea-like flowers are hermaphrodite (having both male and female organs) and are pollinated by insects. The fruit is a pod or legume, the seeds green at first but becoming shiny black.〔Kilbracken, J. 1995. ''Easy way guide Trees'' Larousse ISBN 0-7523-0027-X〕 The leaves are ''cholagogue'' and purgative. All parts of this plant are highly poisonous〔''Reader's Digest Encyclopedia of Garden Plants and Flowers.'' Ed and Designed by The Reader's Digest Association, London.1978.〕 and should not be eaten or used internally. 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「Laburnum alpinum」の詳細全文を読む スポンサード リンク
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