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Rosa fedtschenkoana
''Rosa fedtschenkoana'' is a species in the plant genus ''Rosa'' in the family Rosaceae. It is native to the foothills of the Ala Tau, Tian Shan and Pamir-Alai mountain ranges in central Asia and northwest China.〔Phillips, R. and Rix, M., ''The Ultimate Guide to Roses'', Macmillan, 2004, p22〕 It is named after Olga Fédchenko, a Russian botanist. It is deciduous, forming a bushy and suckering shrub up to 2.5 metres high and as much across. The branches are covered in many prickles, many of which are fine and straight, but some are thicker and slightly hooked. The pinnate leaves are pale greyish green in colour and have usually between 7 and 9 leaflets. The flowers are white, up to 5 cm across, and are borne singly or in small clusters at the tips of the branches throughout the summer months.〔Quest-Ritson, C. and Quest-Ritson, B., ''The Royal Horticultural Society Encyclopedia of Roses'', Dorling Kindersley, 2003, p147〕 The flowers' scent has been described as being "like 'Hovis' () bread with a little blackberry jam".〔Marriott, M., ''The Rose'' (quarterly journal of The Royal National Rose Society), Volume 100, Part 2, Summer 2006, p64〕 The flowers are followed by small, pear-shaped, bristly orange-red fruits.〔Hillier Nurseries, ''The Hillier Manual of Trees and Shrubs'', David & Charles, 1998, p580〕
Recent DNA research has discovered that ''R. fedtschenkoana'' is one of the parents of the ''damask'' group of garden roses (the other species involved being ''R. moschata'' and ''R. gallica'').〔Quest-Ritson, C. and Quest-Ritson, B., ''The Royal Horticultural Society Encyclopedia of Roses'', Dorling Kindersley, 2003, p9〕 This accounts for the remontant (repeat-flowering) nature of some damasks (the ''autumn damasks''), as ''R. fedtschenkoana'' is one of the few remontant wild roses.
==References==
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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