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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]
The stems are straight, red to grey-brown and studded with prickles. [3] The deciduous leaves are each made up of several widely spaced sharp-toothed leaflets up to 5 centimetres (2 inches) long. The inflorescence is a cyme of up to a few fragrant flowers with five petals in any shade of pink and measuring up to 2.5 cm in length.
The flowers are 6–10 centimetres (2.4–3.9 in) diameter, fragrant, with pure white petals and yellow stamens, and are followed by bright red and bristly hips 2–4 centimetres (0.79–1.57 in) diameter. The flower stem is also very bristly.
The flowers are 1.8–3 cm in diameter, the five petals being pink with a white base, and the numerous stamens yellow; the flowers are produced in clusters of 2–7 together, from late spring to mid-summer. The fruit is a globose to oblong red hip 1–2 cm in diameter.
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.
The species is extensively cultivated as an ornamental plant, and numerous cultivars have been selected, which are known as the China roses. It has also been extensively interbred with Rosa gigantea to produce Rosa × odorata and by further hybridization the tea roses and hybrid tea roses, and is the source of summer-blooming varieties and ...
The flower is also the symbol of the Fusion of Haitian Social Democrats political party. It is known in Haitian Creole language as choeblack or rose kayenn. [26] [27] Red hibiscus flowers are also used for worship; in Hinduism, they are used for the worship of Devi, and in the Bengal area of eastern India, they are used to worship Kali.