No, cauliflower is a kind of red algae. Gelidium can be found in all major sea areas of China. Gelidium grows naturally, originally growing on rocks in the sea, growing vertically, with many branches, 20 to 30 cm long. Gelidium grows on rocks in shallow water, and its colors are purple, brown and light yellow. Later, the demand was great for a long time, and artificial plants gradually increased. Gelidium can be used as medicine or edible. It tastes crisp and tender. You can mix cold dishes and make bean jelly. Broccoli should not be cooked for a long time, otherwise it will melt. Gelidium is also the main raw material for extracting agar, which is also called watercress, foreign powder and gelatin. It is an important vegetable gum, which belongs to fiber food and is soluble in hot water.