1、 Different plant types

The plant height of catharanthaceae is about 60cm, which is a kind of shrub of catharanthaceae. The whole plant has no hair or a little hair, and the stem is square with stripes on it

The scientific name of longevity flower is Christmas galanga. Although its name is very similar to that of the former, it is not the same plant and has a big difference. It is a herbaceous and pulpy plant belonging to the Sedum family. The plant is relatively low and compact, and the plant height is about 10-30 cm

2、 Different leaves

The leaves of Catharanthus roseus have a common feeling. The texture of the leaves is relatively thin, and the surface is membranous, about 3-4cm wide and about 1.5-2.5cm wide. The edges of the leaves are smooth and there are no serrations on them

The leaves of Changshou flower are fleshy and thicker, with a length of about 4-8 cm and a width of about 2-6 cm. The upper part of the leaf edge has wavy blunt teeth, the lower part is entire, and the leaf edge is slightly red

3、 Different flowers

Catharanthus roseus has five petals, which is more like plum blossom. The flower colors are red, white, pink, purple and so on

Changshou flower has four petals. The flowers have rich colors, including yellow, orange, crimson, peach, white and so on