1874 A. Trollope i. 2 When the gum leaves crackle..before Christmas, there won't be a blade of grass by the end of February.
1894 H. Nisbet 204 Making a soft bed of gum leaves.
1966 ‘J. Hackston’ 182 They might have chewed the moss off old fences and, at a pinch, say, taken on the gum-leaves.