Radinosiphon is a genus of flowering plants in the family Iridaceae first described as a genus in 1932. It is native to southern + southeastern Africa. The genus name is derived from the Greek words radinosus, meaning "slender", and siphon, meaning "tube". Species 1. \n* Radinosiphon leptostachya (Baker) N.E.Br., Trans. Roy. Soc. South Africa 20: 263 (1932) - Tanzania, Malawi, Mozambique, Zimbabwe, Swaziland, northeastern South Africa 2. \n* Radinosiphon lomatensis (N.E.Br.) N.E.Br., Trans. Roy. Soc. South Africa 20: 263 (1932) - Mpumalanga Province in South Africa