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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 ...
Rosaceae (/ r oʊ ˈ z eɪ s iː. iː,-s i. aɪ,-s i. eɪ /), [5] [6] the rose family, is a family of flowering plants that includes 4,828 known species in 91 genera. [ 7 ] [ 8 ] [ 9 ] The name is derived from the type genus Rosa .
Centifolia roses are also known as Cabbage roses, or as Provence roses. They are derived from Rosa × centifolia, a hybrid that appeared in the 17th century in the Netherlands, [14] related to damask roses. They are named for their "one hundred" petals; they are often called "cabbage" roses due to the globular shape of the flowers.
Plants with semidouble deep pink flowers have been treated as either a variety, under the name R. gallica var. officinalis, [6] or as a cultivar, R. gallica 'Officinalis'. [7] It is also called the apothecary's rose, the crimson damask rose, or the red rose of Lancaster. [8] It is the county flower of Lancashire.
Rosa multiflora is grown as an ornamental plant and also used as a rootstock for grafted ornamental rose cultivars. In eastern North America , Rosa multiflora is considered an invasive species . It was originally introduced from Asia as a soil conservation measure, as a natural hedge to border grazing land, and to attract wildlife.
Rosa rubiginosa (sweet briar, [2] sweetbriar rose, [3] sweet brier or eglantine; [2] syn. R. eglanteria) is a species of rose native to Europe and western Asia. Description [ edit ]
Botanical Name: Rosa hybrid 'Meigremlis' Sun Exposure: Full sun Soil Type: Rich, moist, well-draining Soil pH: Slightly acidic to neutral (6.0-7.0) USDA Hardiness Zones: 5 to 11. Roses are ...
The ploidy of this rose species is variable. Botanical authorities have listed it as tetraploid and hexaploid in North America (subsp. sayi), [6] and octoploid in Eurasia (subsp. acicularis), [6] including China. [7] On the northern Great Plains its populations are generally tetraploid. [citation needed] Hexaploid populations exist in the Yukon.