40-80cm tall perennial herb found along river valleys. Of opposite
phyllotaxis, leaves measure 10-20cm in length, with tips shallowly
cleft in two, margins with serrations, and upper and lower surfaces
with coarse hairs. Inflorescences generate themselves at the stem
terminals, with 10-20 flowers, spherical at first because of being
covered with bracts; they comprise bisexual and some numbers of
ornamental flowers. Bloom time: July-August.