Raphionacme palustris H. J. T. Venter & R. L. Verhoeven

palustris: of swamps and marshes.

Perennial hairless herb, up to 50 cm high, growing from a spindle-shaped tuberous taproot, up to 25 cm long. Stems up to 50 cm long, erect or sub-erect, branched, becoming violet when older. Leaves opposite, oblong-ovate, up to 6 × 3 cm, dark green above, paler below, veining translucent; margin violet; petiole 2-10 mm long, violet. Flowers in axillary and terminal, few-flowered heads. Sepals brownish-violet. Corolla lobes spreading, obovate-oblong, c. 10 × 5 mm, pale greenish-violet outside, whitish-violet inside. Corona whitish-violet, apically lobed. Fruit normally a single erect follicle, very narrowly cylindric, 18-27 cm long, pointed.

Zimbabwe, and KwaZulu-Natal, South Africa.