Müll. Arg. in DC., Prodr. 15 (2):817. 1866
Copperleaf, Jacob's coat
Monoecious shrub, to 2.5 m tall; stems sparsely pubescent in age, the young parts densely pubescent. Leaves alternate, simple; petioles to 7 cm long, with a broad band of trichomes above near apex; blades ovate-cordate, abruptly acuminate, 10-25 cm long, 8-15 cm wide, dentate with gland-tipped teeth, maroon beneath, sparsely pubescent on veins; veins at base 5, palmate. Spikes axillary, 6-20 cm long, 3-8 mm wide, reddish, the pistillate bracts 5-6 nun long, divided almost to base, purple-violet; pistil to 1 mm long, 1.2 mm wide; styles 3, free, purple-violet, to 5 mm long, each with numerous filiform. segments. Fruits not seen. Croat 8658.
Cultivated in the Laboratory Clearing. Flowers in the dry season.
BCI plants would be best considered var. macageana W. Miller.
Native to the Pacific Islands (Standley, 1928); cultivated throughout the world.