An evergreen herb. It grows 30-80 cm tall. It has underground stems or rhizomes. The leaves are narrow and tufted. They have a channel along them and teeth at the edge. The flowers are in woolly white panicles.
Evergreen, rhizomatous perennial, 30-80 cm. Leaves tufted, narrow, channelled, fibrotic, margins serrate. Flowers in white-woolly panicles, small, mauve, honey-scented.