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Rosa rugosa (rugosa rose, beach rose, Japanese rose, Ramanas rose, or letchberry) is a species of rose native to eastern Asia, in northeastern China, Japan, Korea and southeastern Siberia, where it grows on beach coasts, often on sand dunes. [1] It is naturalized in much of Europe and parts of the United States and Canada. [2]
The most important rose cultivars bred by major breeders have code names as registration names. A code name or ICRAR code is a unique code, consisting of letters of the 26‑letter Roman alphabet, given to a new registered rose variety, to distinguish it from other varieties (cultivars) of roses. [9] [10] [4] [8]
Rosa banksiae Rosa persica. There are currently four subgenera in Rosa, although there have been some disputes over the years. [3] The four subgenera are: Hulthemia (formerly Simplicifoliae, meaning "with single leaves") containing one or two species from Southwest Asia, R. persica and R. berberifolia (syn. R. persica var. berberifolia) which are the only species without compound leaves or ...
Most varieties produce a single flower on a stem, but floribunda roses, introduced in the early 20th century, have a spray of several flowers, and are highly popular; they also have more continuous flowering. [6] Most garden varieties still have thorns, though fewer than those in wild species, but some are thornless.
Rosa ' Constance Spry ' is a light pink shrub rose introduced into Great Britain in 1961. It is the first rose cultivar commercially developed by British rose breeder, David C.H. Austin. 'Constance Spry' was introduced at a time when the shrub rose was out of style, the hybrid tea rose being the most popular rose with gardeners.
Recently, it was confirmed by DNA analyses that 'Spray Cécile Brünner' (Howard Rose, 1941) is identical with the plants now grown under the name of the cultivar 'Bloomfield Abundance' (Thomas, 1920) and is a sport of 'Cécile Brünner', not related to the original 'Bloomfield Abundance' which was a hybrid seedling of 'Sylvia' and 'Dorothy ...
The pollen parent, code RAD84-196.8, had as parentage Razzle Dazzle x [Deep purple x (Fabergé x Eddie's Crimson)] Compared to the other new hybrid rose plants in his backyard test garden that year, Radler recalled that new cultivar was exceptional. "The rose was special, a dense bush full of pinkish-red blooms. No need to prune.
It particularly praised Mr. Grant's 'Golden Dawn' as possibly the finest of all yellow roses, and his 'Salmon Spray' as in world class among "cluster roses." [9] The fifth edition of A.S. Thomas's Better Roses of 1969 [10] gives his list of the 80 finest roses bred by then in Australia or New Zealand. Both 'Golden Dawn' and 'Salmon Spray' are ...