Plants 1-2 m tall, much branched above. Petiole short; leaf blade ovate or ovate-oblong, 2-3.5 × 1-2 cm, base cordate, apex acute or rounded; midvein and lateral veins prominent. Male flowers slender. Female floral tube ellipsoid, 2-3 mm, 5-6 × as long as short, slightly recurved free part, abaxially 4-fascicular villous at base in fruit. Utricle ellipsoid, hairy. Seed vertical. Fl. and fr. Jan-Sep.