|Asia, Europe, N. Africa, and North America
Rosa Spp. (Rose)
Rosa ssp. (Rose) is Genus of about 150 species of semi-evergreen or deciduous, perennial shrubs and climbers, some of which have been in cultivation for many centuries. They are found in a wide variety of habitates in Asia, Europe, N. Africa, and North America. Roses have erect, arching, scrambling, or sometimes trailing, often thorny or prickly stems. The alternate leaves range from 2.5cm long in miniature roses to 18cm or more long in bush, shrub, and climbing roses; each leaf usually has 5 or 7 sometimes toothed, variably shaped leaflets. Roses are grown for their attractive and often very fragrant flowres, borne mainly in summer and autumn, and sometimes also for their fruits, known as hips. The flowers are solitary or borne in corymbs, are sometimes remontant, and very greatly in colour, size, and form. Roses are suitable for a range of garden situations: as specimen plants or standards, for a shrub or mixed border, as hedges, or as climbers to clothe walls, trees, pillars, pergolas, and arbours. Groups of roses are often grown together in a single bed; a well-chosen mix of cultivars will ensure a long summer display. Miniature roses are suitable for a rock garden, raised bed, or containers. The flowers of all roses are popular for cutting. Species, or wild, roses (including inter-specific hybrids, which share most of the characteristics of their parent species) are either shrubs or climbers, mostly bearing single, 5-petalled, often fragrant flowers in early summer, usually in one flush on short shoots from second-year wood; the flowers are followed by red or black hips.