The scarlet river lily (Hesperantha coccinea) belongs to Iridaceae (the Iris family). It is a perennial herb that is South Africa and Zimbabwe. This herb grows near water, on streambanks, in seeps an on the edge of marshes, and up to a height of 60 cm. The leaves are slender lanceolate, up to 40 cm long and 1 cm broad. The flowers are red, occasionally pink or white, with six petals. They are produced 4-10 alternately on a spike in late summer to fall. Numerous cultivars are available.