1、 Stem stem difference

The immortal refers to many branches and drooping branches. Its branches are flat and fleshy. Each branch is oblong or leafy. Each side of the branch has 1 to 2 Blunt teeth and the top is flat

The crab claw orchid has no leaves, the stem does not have this, and there are many branches, which are usually suspended. Its old stem is lignified and slightly cylindrical. The young stem and branches are flat. Each section is rectangular, round or obovate, about 3 to 6 cm long and about 1.5 to 2.5 cm wide. It is bright green and sometimes slightly purple

2、 Flower difference

Immortal refers to the flowers that grow alone at the top of the branches. The Corolla is neat and has a variety of colors, including purple, white, red and so on

The flower of crab claw orchid is solitary at the top of the branch, rose red, 6 to 9 cm long, and the flowers are symmetrical on both sides