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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 ...
This is the category of the genus Rosa, the Roses, including all species and cultivars. Subcategories. This category has the following 8 subcategories, out of 8 total
Rosa 'Harison's Yellow', also known as R. × harisonii, the Oregon Trail Rose or the Yellow Rose of Texas, is a rose cultivar which originated as a chance hybrid in the early 19th century. It probably is a seedling of Rosa foetida and Rosa pimpinellifolia .
Rosa arkansana, the prairie rose [1] or wild prairie rose, is a species of rose native to a large area of central North America, between the Appalachian and Rocky Mountains from Alberta, Manitoba, and Saskatchewan south to New Mexico, Texas and Indiana. There are two varieties: Rosa arkansana var. arkansana; Rosa arkansana var. suffulta (Greene ...
Of the over 150 species of rose, the Chinese Rosa chinensis has contributed most to today's garden roses; it has been bred into garden varieties for about 1,000 years in China, and over 200 in Europe. [1] It is believed that roses were grown in many of the early civilisations in temperate latitudes from at least 5000 years ago.
Enacted 50 years ago on Dec. 28, 1973, this legislation has played a pivotal role in preserving and protecting hundreds of species. 18 Texas species supported by the Endangered Species Act over 50 ...
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]
There are three species that commonly cause damage to wild or cultivated roses: [5] The bristly roseslug (Cladius difformis) is found in Europe, Siberia, and many areas of North America. The larva is pale green, up to 16 millimetres (0.6 in) long, and covered with hairlike bristles all over its body.