BAST
- the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant
- any of several strong, woody fibers, as flax, hemp, ramie, or jute, obtained from phloem tissue and used in the manufacture of woven goods and cordage
- phloem
- st fiber
- a woody fiber [n BASTS]
- woody fibre in a plant [n -S]