Hesperantha coccinea

Hesperantha coccinea (kaffir lily, river lily or crimson flag; syn. Schizostylis coccinea Backh. & Harv.) is a flowering plant in the family Iridaceae, native to Southern Africa and Zimbabwe.

It is a semievergreen perennial growing to 60 cm (24 in) tall, with slender lanceolate leaves up to 40 cm (16 in) long and 1 cm (0.4 in) broad. The flowers are red, occasionally pink or white, 30–35 mm long, with six petals; they are produced four to ten alternately on a spike in late summer to autumn.