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''Buddleja fallowiana'' var. ''alba'' Sabourin is a white-flowered variety of ''B. fallowiana'' endemic to Yunnan in western China, where it grows in open woodland, along forest edges and watercourses. The shrub was considered superior to the lavender-blue flowered ''B. fallowiana'' by Bean, who thought it one of the most attractive of all Buddlejas.〔Bean, W. J. (1917). ''Trees and shrubs hardy in Great Britain'', 7th edition. Murray, London.〕 Introduced to cultivation as seed sent to England in 1925 by Forrest,〔Hatch, L. (2007). ''Cultivars of Woody Plants''. Vol. 1 (A-G), 2007 Edition. TCR Press Horticultural PDF. books.〕 the variety was named by Sabourin.〔Sabourin, L. (1929). Le Buddleia fallowiana et sa variété alba. ''Revue Hort.'' (Paris): 101: 418. 1929.〕〔Stuart, D. (2006). ''Buddlejas''. Plant Collector Guide. Timber Press, Oregon, USA. ISBN 978-0-88192-688-0〕 However its status was challenged by Leeuwenberg, who considered its different flower colour and smaller size insufficient to justify its distinction as a variety, and sank it as simply ''B. fallowiana''.〔Leeuwenberg, A. J. M. (1979) ''The Loganiaceae of Africa XVIII Buddleja L. II, Revision of the African & Asiatic species''. H. Veenman & Zonen, Wageningen, Nederland.〕 〔Li, P. T. & Leeuwenberg, A. J. M. (1996). Loganiaceae, in Wu, Z. & Raven, P. (eds) ''Flora of China'', Vol. 15. Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, USA. ISBN 978-0915279371 (online at www.efloras.org )〕 Accorded the Royal Horticultural Society Award of Garden Merit (record 686) in 1993 (reaffirmed 2010);〔Royal Horticultural Society. (2010). ''Trials Report 2008-2010 Buddleja davidii and its close hybrids'' Trials Office, Royal Horticultural Society, Wisley, UK.〕 () the shrub also came second (after 'Sungold') in the public poll of 57 Buddleja species and cultivars conducted by the University of Georgia in 1997. () ==Description== ''B. fallowiana'' var. ''alba'' is a deciduous, comparatively slow-growing shrub of loose habit, typically growing to a height and width of < 1.7 × 2 m.() The young shoots are clothed with a dense white felt. The leaves are lanceolate, tapering to a fine point, with shallowly toothed margins. The size of the leaves varies considerably according to the vigour of the shoot, and can reach 25 cm long by 8 cm wide, the upper surfaces glabrescent and dark-green, the lower surfaces densely tomentose. The inflorescences are lax narrow panicles < 25 cm long by 2.5 – 3 cm wide, and comprise vanilla-scented white flowers with yellow eyes, the corollas 10 mm long. The flowers bloom in late summer and autumn.〔〔 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「Buddleja fallowiana var. alba」の詳細全文を読む スポンサード リンク
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