1. Different growth positions: velvet flowers are fluffy structures that grow from stems, leaves or flowers of plants. A fluffy covering layer is formed on the surface of plants as a slender filamentary feather-like substance; The seed of velvet plant itself has a seed coat, which is wrapped with germ.

2, different functions: soft, fluffy, warm and so on. Edelweiss play an important role in some animals and plants, and feathers or wool pieces have irreplaceable advantages. Pilose antler mainly plays the role of storing nutrition and spreading new individuals (embryos).