|Naming and discovery|
It is a perennial plant with biennial stems from its root system. In the first year, the stem grows from 1-3 meters, unbranched, with large leaves with 3-5 leaflets, and rarely ever a flower. In the second year, the plant doesn't grow any taller, but produces several side shoots. Flowers are produced in spring, 6-10 mm in diameter, with purplish-red to pink petals. The fruit, a raspberry, is orange or red, at about 1 cm in diameter. The fruit is edible, and produced in summer or autumn. Ripening occurs from early summer. The berries have thorns that resemble hair.
Cultivation and usesEdit
This species was introduced to North America and Europe because of being ornamental, and to make hybrid raspberries. It has sometimes escaped cultivation, leading to it becoming invasive.