The class of natural fibers which are obtained from the stems of plants. The bast fibers normally used in the textile industry include:
- Linen: Fiber from the stems of the flax plant, Linum usitatissimum.
- Hemp: Fiber from the stems of Cannabis sativa
- Ramie: Fiber from the stems of the China Grass plant (Boehmeria nivea)
- Jute: Fiber from the jute plant, Corchorus olitrius