''Rosa fedtschenkoana'' is a species in the plant genus ''

Rosa Rosa or De Rosa may refer to: Plants and animals * ''Rosa'' (plant), the genus of roses * Rosa (sea otter), a sea otter that has become popular on the internet * Rosa (cow), a Spanish-born cow People * Rosa (given name) * Rosa (surname) * San ...

'' in the family

Rosaceae Rosaceae (), the rose family, is a family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus '' Rosa''. The family includes herbs, shrubs, and trees. Most species are deciduous, but som ...

. Some authorities consider it a synonym of '' Rosa webbiana''. It is native to the foothills of the Ala Tau,

Tian Shan The Tian Shan, also known as the Tengri Tagh or Tengir-Too, meaning the "Mountains of God/Heaven", is a large system of mountain ranges in Central Asia. The highest peak is Jengish Chokusu at high and located in Kyrgyzstan. Its lowest point is ...

and Pamir-Alai mountain ranges in central Asia and northwest China. It is named after

Olga Fédchenko Olga Aleksandrovna Fedchenko or Fedtschenko (; Armfeld; 30 October 1845 – 24 April 1921) was a Russian botanist. ''Rosa fedtschenkoana'', which is found in Asia, was named in her honour (with a German transliteration of her name). Early life O ...

, a Russian botanist. It is

deciduous In the fields of horticulture and botany, the term deciduous () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed Leaf, leaves, usually in the autumn; to the shedding of petals, aft ...

, 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 Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and ...

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. The flowers' scent has been described as being "like 'Hovis' rownbread with a little blackberry jam". The flowers are followed by small, pear-shaped, bristly orange-red fruits. Recent

DNA Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of al ...

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

{{Taxonbar, from=Q292648 fedtschenkoana Flora of Central Asia Flora of Xinjiang Tian Shan Plants described in 1876