Heisteria parvifolia
Trees or shrubs up to 15 m high. Young branches slightly winged or ridged. Petiole 5–15 mm long, canaliculate; leaf-blade glabrous, very variable, elliptic or oblong to lanceolate, 6–25 cm long and 2.5–12 cm wide, acuminate, rounded or cuneate at the base, membranous when young, coriaceous when mature with the margin slightly in-rolled; lateral veins (5–)6–11 pairs, ± impressed on the upper surface and only slight prominent beneath; tertiary veins laxly reticulate. Flowers creamy white, insignificant; pedicels 1.5–4 mm long in flower and up to 10 mm in fruit. Calyx 5-lobed; lobes ± deltoid, whitish, ± 1 mm long in flower, enlarging to ± 3.0 cm long and between 0.5 to 1.5 cm wide, turning reddish-brown to dark red, spreading or enfolding the fruit. Petals oblong-lanceolate, 2–2.5 mm long, caducous. Stamens in 2 whorls with the episepalous whorl slightly longer than the epipetalous series. Ovary outwardly ± 10-lobed. Fruit a drupe, elliposidal, 1–1.2 cm long, 0.6–0.8 cm across. Seed woody, 7–9 mm long, 4–6 mm across.
Common
A glabrous shrub or small tree up to 40 ft. high, with small greenish-white or yellowish flowers; calyx enlarged, persistent, deep red in fruit; fruit itself greyish-white; in forest
Upper and Lower Guinea, from Senegal to the Uganda, the Congos and Angola
The oily seeds are reported to be edible, but not used in the Korup area