Plants 1.5-2 m tall. Stem glabrous or strigose at nodes of upper part. Basal leaves orbicular or broadly ovate, large, 30-60 cm. Panicle much branched; branches connivent.

• 植株1.；5-2米高。茎无毛的或上半部分的具糙伏毛的在节上。基生叶圆形或宽卵形，大，30-60厘米。圆锥花序多分枝；分枝靠合。