Annual with very long flowering (from June to October) with superb yellow flowers with a dark heart, and very fast growing, reaching 2 to 3 meters in 3 to 4 months. Known in Asia for its medicinal properties, it is mainly used as a source of fiber for the manufacture of paper pulp, textiles, rope, insulation but also livestock feed. The harvest takes place in November-December when the stem has lost its leaves. It can be used as a quick privacy screen in the garden.