1、 Blade difference

Blackcurrant leaves are nearly round, about 4-9 cm long and 4.5-11 cm wide. The base is heart-shaped, palmately 3-5-lobed, with wide triangular lobes and serrated edges. The grape leaves are oval, wider than the former, about 7-18 cm long and 6-16 cm wide, and the base is deep heart-shaped

2、 The difference between flowers

Blackcurrant is a raceme with smaller bracts, oval or lanceolate, calyx is light yellow green or light pink, calyx tube is bell shaped, sepals are tongue shaped, and petals are oval or oval, white. The grape is in panicle, with very small flowers and tender green color

3、 Fruit difference

The fruit of blackcurrant is nearly round and black after ripening. Grapes are spherical or oval, larger than the former