Synopsis of the genus Vitex (Lamiaceae) in the Democratic Republic of the Congo Author Meerts, Pierre text Plant Ecology and Evolution 2018 2018-11-28 151 3 380 392 http://dx.doi.org/10.5091/plecevo.2018.1504 journal article 10.5091/plecevo.2018.1504 1a. Vitex agelaeifolia var. agelaeifolia Vitex phaseolifolia Mildbr. ex W.Piep. ( Pieper 1928: 55 ; 1929: 161 ); Moldenke (1957: 58) ; Lebrun & Stork (1997: 525) . – Type : Cameroun , Südkameruner Waldgebiet , vor der Station Ebolowa auf freigeschlagenem Gelände , Mildbraed 7623 (lecto-, designated by Pieper (1929) : B†) . Vitex wellensii De Wild. ( De Wildeman 1929a: 19 ); Moldenke (1958b: 222) ; Lebrun & Stork (1997: 526) . – Type : D.R. Congo , Kanga , 30 Apr. 1921 , Wellens 110 (lecto-: BR barcode BR 0000008905567, designated here ), synon. nov . Amyrmecophilous liana, with quadrangular hollow twigs. Leaflets: 3; 4–5 pairs of secondary veins. Inflorescence thyrsoid. Fruit globose, c. 9 mm in diameter, orangebrown. Distribution – Wof Central Africa, from Gabon to D.R. Congo. Note – Lectotypification of Vitex wellensii De Wild. The protologue cites Gillet s.n., Vermoesen 1556, Vermoesen 1652, Wellens 110. All the original material matches the description given there. Wellens 110 is selected because it has well developed inflorescences and De Wildeman’s handwriting on the label.