Leaves
|
Leaves oblanceolate to oblong or elliptic, blades 20-80 cm long, 6.5-20 cm wide, upper surface glabrous or sparsely pubescent, lower surface pubescent, margins callose-denticulate, rarely erose-dentate, apex acute to obtuse, rarely acuminate, base cuneate, obtuse, or rounded, petioles 3-17 cm long, often muricate.
|
Flowers
|
Inflorescences 5-15-flowered, clustered among the leaves, peduncles 10-80 mm long, pedicels 10-25 mm long; hypanthium obconical, 10-20 mm long, 5-10 mm wide; calyx lobes oblong, narrowly oblong, or ovate, 6-55 mm long, 4-10 mm wide, apex obtuse, truncate, or emarginate, rarely acute, often with an apiculation; corolla blackish purple externally, white or pale lilac within, 60-80 mm long, 6-11 mm wide, densely pubescent or rarely subglabrous externally, glabrous within, tube suberect, lobes spreading, 1/2-3/4 as long as the tube; staminal column glabrous or sparsely pubescent; anthers glabrous, the lower 2 with apical tufts of white hairs.
|
