Scape. - Slender, three to five inches high. Leaves. - Evergreen, shining, divided into three leaflets. Flowers. - Small, white, solitary. Calyx. - Of five to seven petal-like sepals which fall early. Corolla. - Of five to seven club-shaped petals. Stamens. - Fifteen to twenty-five. Pistils. - Three to seven. Root. - Of long, bright yellow fibres.
This little plant abundantly carpets the northern bogs and extends southward over the mountains, its tiny flowers appearing in May. Its bright yellow thread-like roots give it its common name.