Raspberry (scientific name: Rubus idaeus L.) is a woody plant of the genus Rubus in the Rosaceae family. It is a kind of fruit. The fruit tastes sour and sweet, and the branches of the plant have barbed thorns. . Raspberries have many aliases, such as: raspberry, raspberry, raspberry, raspberry, raspberry, wildberry, raspberry, and raspberry.
Raspberry is a shrub, 1-2 meters high; branches are brown or reddish brown, covered with downy pubescence and sparse prickles when young. Leaflets 3-7, sometimes with 3 leaflets on flowering branches, often with 5-7 leaflets on sterile branches, long ovate or elliptical, terminal leaflets often ovate, sometimes lobed, 3-8 cm long, 1.5-1.5 cm wide 4.5 cm, apex short acuminate, base rounded, terminal leaflet base nearly heart-shaped, upper surface hairless or sparsely pubescent, lower surface densely covered with gray-white hairs, edges irregularly coarsely serrated or heavily serrated; petiole length 3-6 cm, the terminal petioles are about 1 cm long, all covered with downy pubescence and sparse spines; the stipules are linear and pubescent.
The flowers form short racemes or few-flowered axillary flowers on the tops of lateral branches. The total pedicel and pedicel are densely covered with downy pubescence and needles of varying density; pedicel is 1-2 cm long; bracts The blades are linear and pubescent; the flower diameter is 1-1.5 cm; the outside of the calyx is densely covered with downy pubescence and needles of varying density; the sepal is ovate-lanceolate, with a pointed tip and tail, and gray-white hairs on the outer edge. Flowers and fruits are all upright; petals are spatulate, pubescent or hairless, white, with broad claws at the base; filaments are broad and flat, longer than style; base of style and ovary are densely covered with gray-white hairs. [2] The fruit is nearly spherical, juicy, 1-1.4 cm in diameter, red or orange-yellow, densely covered with short hairs; the core has obvious pits. The flowering period is from May to June and the fruiting period is from August to September.