1、 Leaf difference

Turnip cabbage has dark green leaves, white powder on the leaf surface, thick mesophyll, deep cleavage of leaves, basal leaves, obovate, 11 to 15 cm long, large head feather crack, top lobe up to 25 cm long, sharp top, irregular serrated or wavy shallow cracks on the edge, 2 to 4 pairs of lateral lobes, petiole 1.5 to 2.5 cm long, and no hair on both sides of the leaves

Turnip basal leaves, green, pinnately cleft, long and narrow, 30 to 50 cm long, with large and blunt lobes at the top and wavy or lobed edges

2、 Flower difference

Turnip cabbage raceme terminal or axillary, yellow flowers, flower diameter 1.5 to 2 cm, pedicel length 5 to 10 cm, petals light yellow, obovate, about 1 cm long

Turnip raceme, small flowers, bright yellow, about 7 mm long, with 4 sepals, spreading in two lobes, and 4 petals, in a cross shape