Qualea rubiginosa Stafleu species synonym Qualea retusa Spruce ex Warm. species synonym Qualea cassiquiarensis Spruce ex Warm. species synonym Ruizterania rubiginosa (Stafleu) Marc.-Berti species synonym Ruizterania obtusata (Briq.) Marc.-Berti species accepted Ruizterania ferruginea (Steyerm.) Marc.-Berti species accepted Ruizterania esmeraldae (Standl.) Marc.-Berti species accepted Qualea rubiginosa var. angustior Steyerm. variety synonym Qualea rigida Stafleu species synonym Ruizterania cassiquiarensis (Spruce ex Warm.) Marc.-Berti species accepted Qualea retusa var. coriacea (Spruce ex Warn.) Ducke variety synonym Ruizterania belemnensis (Stafleu) Marc.-Berti species accepted Ruizterania apodocarpa (Steyerm.) Marc.-Berti species synonym Qualea cassiquiarensis var. belemnensis Ducke variety synonym Qualea wittrockii Malme species synonym Qualea verruculosa Stafleu species synonym Qualea urceolata Stafleu species synonym Ruizterania wittrockii (Malme) Marc.-Berti species accepted Qualea obtusata Briq. species synonym Ruizterania verruculosa (Stafleu) Marc.-Berti species synonym Qualea nitida Stafleu species synonym Qualea glaberrima Ducke species synonym Qualea belemnensis Stafleu species synonym Ruizterania urceolata (Stafleu) Marc.-Berti species accepted Qualea trichanthera Spruce ex Warm. species synonym Qualea arirambae Ducke species synonym Ruizterania trichanthera (Spruce ex Warm.) Marc.-Berti species accepted Qualea gardneriana Warm. species synonym Qualea apodocarpa Steyerm. species synonym Ruizterania sacculata (Stafleu) Marc.-Berti species accepted Qualea ferruginea Steyerm. species synonym Ruizterania rubiginosa var. angustior (Steyerm.) Marc.-Berti variety synonym Qualea esmeraldae Standl. species synonym Qualea albiflora Warming species synonym Ruizterania rigida (Stafleu) Marc.-Berti species accepted Ruizterania retusa (Spruce ex Warm.) Marc.-Berti species accepted Ruizterania obtusata subsp. multivenosa Marc.-Berti subspecies synonym Ruizterania nitida (Stafleu) Marc.-Berti species accepted Ruizterania gardneriana (Warm.) Marc.-Berti species accepted Qualea sacculata Stafleu species synonym Ruizterania albiflora (Warm.) Marc.-Berti species accepted Qualea cassiquiarensis Spruce species homotypic synonym Qualea retusa Spruce species homotypic synonym Ruizterania tricanthera (Spruce ex Warm.) Marc.-Berti species synonym Qualea trichanthera Spruce species homotypic synonym |