1、 Stem difference

The stem of the leaf flower has curved spines, which are in a downward curved shape. There are also dense fluff on its stem. The stem of cotyledonous flower also has curved spines, which are 5-15mm long, but there is no wool or little wool on the stem

2、 Leaf difference

The leaves of leafy flowers are oval and covered with thick villi. In addition, its top is not particularly sharp. The leaves of cotyledons are ovate or ovate lanceolate, with no villi on the top, sparse villi below, and the top is also relatively pointed

3、 The difference between flowers

The flowers of leafy flowers are relatively small, usually three are clustered together, and the bracts are mostly red. The length of cotyledon is about 2.5-3.5cm, the width is about 2cm, and the bracts are purple or magenta