VOACANGA africana Stapf [family APOCYNACEAE], in J.L.S. 30: 87 (1894) & in F.T.A. 4, 1: 157 (1902); I.T.U. ed. 2: 30 (1952); Huber in F.W.T.A. ed. 2, 2: 67 (1963); Leeuwenberg in F.Z. 7 (2): 435, t. 100 (1985) & in Wageningen Agric. Univ. Pap. 85, 3: 12, t. 1, photo. 1 (1985); K.T.S.L.: 487 (1994). Type: Sierra Leone, Bafodeya, Scott Elliot 5484 (BM, lecto., K, iso., chosen by Leeuwenberg)
VOACANGA schweinfurthii Stapf [family APOCYNACEAE], in K.B. 1894: 21 (1894) & in F.T.A. 4, 1: 155 (1902). Type: Congo (Kinshasa), Niamniam land, Dungu, Turu R., Schweinfurth 3326 (B†, holo., K, lecto., K, P, iso., chosen by Leeuwenberg)
VOACANGA angustifolia K. Schum. [family APOCYNACEAE], in P.O.A. C: 317 (1895). Type: Tanzania, Tabora District, Kavenda R., Böhm 60a (B†, holo.)
VOACANGA boehmii K. Schum. [family APOCYNACEAE], in P.O.A. C: 317 (1895); T.T.C.L.: 57 (1949). Type: Tanzania, Tabora District, Kavenda [Kavinda] R., Isimbira, Böhm 37a (B†, holo., K, lecto., K, P, iso.)
VOACANGA dichotoma K. Schum. [family APOCYNACEAE], in P.O.A. C: 317 (1895); T.T.C.L.: 57 (1949). Type: Tanzania, Moshi District, Kiboshowald, Volkens 1618 (B†, syn.) & Marangu, Volkens 2076 (B†, syn.)
VOACANGA lutescens Stapf [family APOCYNACEAE], in F.T.A. 4, 1: 157 (1902); T.T.C.L.: 57 (1949); K.T.S.: 49 (1961). Lectotype: Mozambique, Manica e Sofala, between Lupata & Sena, Kirk 31 (K, lecto.), chosen by Leeuwenberg)
VOACANGA bequaertii De Wild. [family APOCYNACEAE], Pl. Bequaert. 1: 402 (1922). Type: Congo (Kinshasa), between Walikale & Lubutu, Bequaert 6577 (BR, holo.)
VOACANGA africana (Stapf) Pichon var. lutescens [family APOCYNACEAE], in Bull. Mus. Nat. Hist. Nat. Paris ser. 2, 19: 412 (1947)
VOACANGA africana Pichon var. auriculata [family APOCYNACEAE], in Bull. Mus. Nat. Hist. Nat. Paris ser. 2, 19: 412 (1947). Type: Tanzania, Sagara (?= Segera, Pangani District?), Sacleux 2222 (P, holo.)
VOACANGA densiflora Engl. [family APOCYNACEAE], nom. nud.; T.T.C.L.: 57 (1949)