Buaze (Securidaca (Lophostylis) longifolia and angustifolia) is an Asclepiadaceous shrub found by Livingstone north of the Zambesi, where its twigs are employed as a source of fibre, which much resembles flax.
Buaze
Chambers's Encyclopaedia, Volume 2: Beaugency to Cataract, p. 506
Source scan(s): p. 0517