Japan Flora: Erect, slightly pubescent annual to 1 m. high; leaves rhombic- ovate, 5-10 cm. long, 3-6 cm. wide, acute, mucronulate, nearly glabrous above, scattered soft-pubescent on the nerves beneath; inflorescence much elongate，branched below, pendulous or nodding, rose to white, the bracts 2-3 mm. long, membranous, rounded at apex, slightly toothed, slightly shorter to as long as the utricle.

Commonly cultivated in our area as an ornamental. Tropics.