Lower surface of the lamina barbate, with tufts of hairs in the axils of lateral veins and major furcations of lateral veins; stipules 0.4-1.2 cm long; pistillate spikes to 3.5 cm long, in fruit black or blackish red. — Widespread, in cultivation
Lower surface of the lamina not barbate, hairs ± evenly distributed on the veins; stipules 1-2.5 cm long; pistillate spike (1-)4-8 cm long, in fruit greenish or yellowish. — Sumatra, Java
