1、 Different leaves

Rehmannia glutinosa is a single leaf. The shape of a single leaf is larger, about 5-15cm long, and the shape is oval or long oval. The axillary part of the leaf can grow side buds, and only one leaf can grow on the petiole

The flowers of lubing flower are obviously different. It belongs to compound leaves. The leaves are relatively small, ranging from needle type to inverted needle type. It is relatively thin, with a length of about 1cm. There are no buds at its petiole, and there are many leaves on the petiole

2、 Different flowers

The flowering period of Rehmannia glutinosa is about may to June. The petals are downward, with spots inside, and the length is about 3-4.5cm. It has many flowers, mainly purple, brown, pink, white, yellow, etc. the shape of the flowers is like a small clock

The flowering period of lubing flower is relatively early. From March to may, the petals are upward and there are no spots inside. Its flowers are also rich in color. The common color is goose yellow. In addition, there are brick red, red, white, light blue, pink and two colors. The flower shape is a typical flower shape of leguminous family

3、 Different fruits

The fruit of Rehmannia glutinosa is an egg shaped capsule with a length of about 1.5 cm

The fruit shape of lubing flower is an oblong linear pod, with a length of about 2.5-5 cm