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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]
In the wild species (sometimes listed as Rosa chinensis var. spontanea), the flowers have five pink to red petals. The fruit is a red hip one to two cm in diameter. The strong branches have a smooth purplish-brown bark, and there may be many to no curved, stocky, flat spines.
Each flower, measuring about 8 centimetres (3 in) wide, has large petals and many stamens. [5] The fruit appears later in the summer as bright red rose hips. [6] Setigera's range overlaps with several other Rosa species, as well as some invasives. It can be differentiated from Rosa Multiflora by its tendency to have pink flowers.
Aronia arbutifolia, called the red chokeberry, [2] [3] is a North American species of shrubs in the rose family. It is native to eastern Canada and to the eastern and central United States, from eastern Texas to Nova Scotia inland to Ontario , Ohio , Kentucky , and Oklahoma .
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.
Macrosiphum rosae, the rose aphid, is a species of sap-sucking aphids in the subfamily Aphidinae. [ 1 ] [ 2 ] They have a world-wide distribution and infest rosebushes as the main host in spring and early summer, congregating on the tips of shoots and around new buds.
Rosa glauca is a deciduous shrub of sparsely bristled and thorny cinnamon-coloured arching canes 1.5–3 m (4.9–9.8 ft) tall. The leaves are distinctive, a glaucous blue-green to coppery or purplish, and covered with a waxy bloom; they are 5–10 cm long and have 5–9 leaflets.