{"references": ["Baker J. G. (1900) Vitex. In: Thiselton-Dyer W. T. (ed.) Flora of tropical Africa 5 (2): 315 - 332. London, Lovell Reeve & Co.", "Pieper W. (1928) Vorarbeiten zu einer Revision der afrikanischen Vitex - Arten mit Berucksichtigung der ubrigen. Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzenge- ographie 62, Beibl. 141 (\" 142 \"): 1 - 91 (+ XIII tables).", "Moldenke H. N. (1957) Materials towards a monograph of the genus Vitex. VIII. Phytologia 6: 13 - 64.", "Moldenke H. N. (1967) Additional notes on the genus Vitex V. Phy- tologia 15: 304 - 325.", "Aubreville A. (1956) Flore forestiere de Cote d'Ivoire. 3. Nogentsur-Marne, Centre technique forestier tropical.", "Huber H., Hepper F. N., Meikle R. D. (1963) Verbenaceae. In: Hep- per F. N. (ed.) Flora of West Tropical Africa, 2 nd Ed., vol. 2: 432 - 448. London, Crown Agents for Oversea Governments and Administrations.", "Lebrun J. - P., Stork A. (1997) Enumeration des plantes a fleurs d'Afrique. IV. Geneve, Conservatoire et Jardin botaniques de la ville de Geneve."]}

13. Vitex oxycuspis Baker (Baker 1900: 326); Pieper (1928: 56); Moldenke (1957: 31; 1967: 314); Aubréville (1956: 232); Huber et al. (1963: 446); Lebrun & Stork (1997: 525). – Type: Nigeria, Old Calabar River, Feb. 1863, Mann 2243 (holo-: Kbarcode K 000192745). Asmall tree. Twigs almost glabrous. Leaves 3–5-foliolate; petiole slender, with papilliform hairs, petiolules 5–18 mm, lamina long acuminate, coarsely serrate, thin and membranaceous, almost glabrous or with short papilliform hairs on veins. Inflorescence of dichasia, long pedunculate, fewflowered, branches with papilliform hairs; calyx campanulate 2–3 mm, teeth 0.5–1 m broadly triangular, puberulent; ovary glabrous; fruit c. 8 mm long. Distribution – Tropical Wand CAfrica, from Guinea southwards to Angola.

Published as part of Meerts, Pierre, 2018, Synopsis of the genus Vitex (Lamiaceae) in the Democratic Republic of the Congo, pp. 380-392 in Plant Ecology and Evolution 151 (3) on page 388, DOI: 10.5091/plecevo.2018.1504, http://zenodo.org/record/7664390