INTRODUCTION Greyia Hook. & Harv. is a small genus of trees/shrubs endemic to South Africa and Eswatini (Dahlgren & van Wyk, 1988), comprising three currently recognised species: Greyia sutherlandii Hook. & Harv., Greyia radlkoferi Szyszyl., and Greyia flanaganii Bolus (Killick & Kimpton, 1977; Phillips & Gower, 1923; Steyn et al., 1999). They are commonly known as bottlebrush or beacon trees on account of the spectacular red inflorescences of G. sutherlandii and G.
