Wagner, Warren L., Derral R. Herbst and S. H. Sohmer. 1999. Manual of the Flowering Plants of Hawai

Flora of Hawaii:

Distribution     
In the Hawaiian Islands, endemic to Hawai`i.

Habit
Shrubs or trees 0.6-6 m tall; stems sparingly branched, unarmed or muricate. 

Leaves
Leaves narrowly oblong to oblanceolate, blades 20-38 cm long, 4-8 cm wide, glabrous or muricate, margins callose-denticulate and shallowly lobed, apex acute, base cuneate, petioles 1.5-3.5 cm long, pubescent.  Flowers  

Flowers
Inflorescences 5-6-flowered, pubescent, peduncles 10-40 mm long, pedicels 7-22 mm long; hypanthium ovoid to obconical, 5-6 mm long, sparsely pubescent; calyx lobes triangular, 2-4 mm long, 1-2 mm wide, apex acuminate; corolla yellowish white or purple, 35-50 mm long, 5-6 mm wide, sparsely pubescent, the tube arcuate, the lobes spreading, 1/2-3/4 as long as the tube; staminal column glabrous; anthers glabrous, the lower 2 with apical tufts of white hairs.   

Fruit
Berries orange, globose.