XYMALOS monospora Baill. [family MONIMIACEAE], in Bull. Soc. Linn. Paris, i. 650;—Warb. in Engl. & Prantl, Pflanzenfam. iii. 6A, 53, fig. 21, A. B.; Oliv. in Hook. Ic. Pl. t. 2444; Perkins in Engl. Pflanzenr. Monimiaceæ, 23; Sim, For. Fl. Cape Col. 288, t. 121; Burtt-Davy in Transv. Agric. Journ. v. 416, 426, t. 171; Baker & C. H. Wright in Dyer, Fl. Trop. Afr. vi. i. 169.
XYMALOS usambarensis Engl. [family MONIMIACEAE], Jahrb. xxx. 310.
Xylosma monospora Harv. [family FLACOURTIACEAE], Thes. Cap. ii. 52, t. 181.
Toxicodendron acutifolium Benth. [family ANACARDIACEAE], in Journ. Linn. Soc. xvii. 214.
Paxiodendron usambarense Engl. [family MONIMIACEAE], Pfl. Ost-Afr. C. 182, incl. var. serratifolia.