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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. The family includes herbs, shrubs, and trees. Most species are deciduous, but some are evergreen. [10]
This native rose species of the northern Great Plains is the provincial flower of Alberta. [8] It is not as common in the Parkland region of the Canadian Prairie provinces as Rosa woodsii (Woods' rose), nor is it as common as Rosa woodsii in the boreal forest of northern North America.
Pruning and cutting back of the plant often leads to re-sprouting. Two natural biological controls include the rose rosette disease and the rose seed chalid (Megastigmus aculeastus var. nigroflavus). [8] Patches of introduced multiflora rose in Pennsylvania are displaying symptoms of rose rosette disease, which can lead to decline and death. [9]
Member species are renowned for their large, showy flowers and those species are commonly known simply as "hibiscus", or less widely known as rose mallow. The genus includes both annual and perennial herbaceous plants , as well as woody shrubs and small trees.
Rosa × damascena (Latin for damascene rose), more commonly known as the Damask rose, [1] [2] or sometimes as the Iranian Rose, Bulgarian rose, Taif rose & "Emirati rose", Ispahan rose, Castile rose, and Đulbešećerka (Bosnia and Herzegovina and the Balkans) is a rose hybrid, derived from Rosa gallica and Rosa moschata. [3]
[2] [3] It has many common names, including rose moss, [4] eleven o'clock, [3] Mexican rose, [3] moss rose, [3] sun rose, [5] table rose, [citation needed] rock rose, [5] and moss-rose purslane. Despite these names and the superficial resemblance of some cultivars' flowers to roses , it is not a true rose, nor even a part of the rose family or ...
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]