Coffea sapinii (De Wild.) A.P.Davis, comb. nov.

Psilanthus sapinii De Wild. (1910: 425) . Type: DEMOCRATIC REPUBLIC OF CONGO [formerly Zaire]. Kasai: Madibi, 28 June 1906, A. Sapin s.n. (BR!).

Distribution: — Democratic Republic of Congo. TDWG: 23 ZAI.

Characteristics:— Coffea sapinii is closely allied to C. gilgiana A.Froehner (= Psilanthus mannii Hook. f.) (Stoffelen 1998, Maurin et al. 2007) but differs in the following characters: fruits ca. 15 × 10–12 mm (vs. 16–22 × 12–13 mm), calyx lobes less than 20 mm long (vs. more than 25 mm long), fruits slightly costate (vs. prominently costate), the scars of the corolla, disc and style less than 4 mm in diameter (vs. more than 5 mm in diameter) (adapted from Stoffelen 1998).