. . . higher up, the slopes were almost all ornamented with a shrub, which grows from two feet to three feet and a half high, called by the colonists harpuisbosjes, the rosin tree, and held in great esteem by them.
--H. Lichtenstein, 1812, Travels in Southern Africa in the Years, 1803, 1804, 1805 and 1806, p. 176