Description: English: Polyceratocarpus parviflorus (Baker) Ghesq flower. Date: 4 February 2015. Source: Couvreur TLP, Niangadouma R, Sonké B, Sauquet H (2015) Sirdavidia, an extraordinary new genus of Annonaceae from Gabon. PhytoKeys 46: 1-19. doi:10.3897/phytokeys.46.8937. Author: TLP, Couvreur, R Niangadouma, B Sonké, H Sauquet.