Piper perbrevicaule Yunck.

A very small subshrub, 15 cm. or less tall; stem drying somewhat ridged, densely villous, the hairs 1 mm. or more long; internodes mostly 1-2 cm. long; leaves somewhat pustular above, obliquely elliptic-obovate-rhomboidal, the midrib much nearer one side, 2.5-4 cm. wide X 7-9 cM. long, apex abruptly short-acuminate, base subequal at the petiole, the shorter side obtuse or cordulate, the longer side auriculate with the lobe, about 1 cm. long and covering the petiole, long-villous on both sides, the nerves beneath more strongly so with the hairs essentially erect and 1 mm. or more