Compilation
Rytigynia lewisii

A slender much branched glabrous subshrub 40–60 cm tall, the stems with slightly peeling reddish-brown bark.Leaves 2.5–6.5 × 0.6–2.4 cm, lanceolate to ovate-lanceolate, or narrowly ovate, strikingly narrowly long-attenuate at the apex, rounded to cuneate at the base (or even subcordate in some Zaire (Dem. Rep. Congo) material fide Robbrecht), the venation beneath drying slightly darker, very evident and reticulate but not raised; petiole 2.5–6 mm long, slender; stipule sheath 0.5–1.5 mm long, hairy within, the appendage 3–5 mm long, subulate.Flowers in 1–2-flowered cymes; peduncle 5–10 mm long; pedicels 3–10 mm long; bracts small, 1.5 mm long joined to form a bifid structure ciliate within.Calyx tube 1.5 mm long, ovoid, the limb with short deltoid teeth about 0.25 mm long.Corolla markedly acuminate in bud; yellow-green, the lobes ± cream inside; tube 2.5 mm long, campanulate, with a ring of deflexed hairs below the throat inside; lobes 4 × 1.5–2 mm, oblong-triangular, including the apical 1 mm long appendage.Ovary 2-locular.Style exserted about 1.8 mm; pollen presenter 1.6 mm long, ovoid, sulcate, 2-lobed at the apex.Immature fruits subglobose, 9 mm in diameter.