Rose (scientific name: rose. ): China origin. It belongs to a deciduous shrub of Rosaceae, with many needles on its branches, odd pinnate compound leaves, 5-9 leaflets, oval shape and lateral thorns. Petals obovate, double to semi-double, purplish red and white. The fruit period is from August to September, and it is oblate. Branches are weak, drooping and prickly, and only bloom once a year, so they are rarely used for breeding. Recently, their main characteristics are disease resistance and cold tolerance.

As a cash crop, roses are mainly used for food and extracting rose oil, and rose oil is used in cosmetics, food, fine chemicals and other industries.