Cassipourea korupensis Kenfack & Sainge

Tree, to ca. 10 m tall and 30 cm dbh, crown dense; branches terete, glabrescent to shortly appressed-puberulous; internodes (25--) 35--60 (--80) cm long. Stipules usually persistent at two terminal nodes, caducous on subsequent ones, triangular, 8--11 mm long, 4--5 mm wide at base, subacute to obtuse at apex, with a diffuse midrib, abaxial surface densely appressed-pubescent to glabrescent, adaxial surface glabrous, with a line of ca. 30 colleters at base; petiole glabrous, stout, 5--11 mm long; lamina glabrous, broadly elliptic to elliptic-lanceolate, abruptly acuminate at apex, cuneate to more or less rounded at base, entire at margin, coriaceous, 7--16 x 3.5--8.5 cm, with 4 to 6 pairs of lateral nerves on each side of midrib, visible but not conspicuous on upper surface, prominent on lower surface. Inflorescence axillary, fasciculate, 1- to 4-flowered; bracts ovate, 2--3 mm long, ca. 3 mm wide, tomentulose outside, glabrous inside; pedicel green, drying brown, glabrous, rarely glabrescent, (12--) 20--25 mm long, articulated less than 2 mm from the apex; Flowers 5 (or 6)-merous; calyx white, drying brown, sparsely tomentulose outside, densely tomentose inside, cupuliform, ca. 11 mm high, 12--15 mm diam., ca. 1 mm thick, the tube 3--5 mm long, as long as or shorter than lobes, the lobes acute, 4--7 mm long; petals unknown, early caducous; stamens ca. 60, as long as or shorter than calyx tube, the filaments 2--3 mm long, inserted outside disk, the anthers oblong, apiculate, ca. 2 mm long with fine long flexuous trichomes; ovary 3- or 4-locular depressed-subglobose, ca. 2 mm high, to 3 mm diam., glabrous; style stout, to 3 mm long; stigma capitate. Fruit subglobose, emerging from persistent calyx, slightly depressed at the top, 8--11 mm high, glabrous.