Tristellateia africana S.Moore

Woody climber up to 5 m. or more in length; younger stems usually greyish-pubescent, older ones glabrous, densely lenticellate.. Leaf-lamina ovate or broadly elliptic, 4.5–9.5 × 3.5–5 cm., acute or obtuse, rounded or cordate at the base, coriaceous to chartaceous, glabrous (younger ones sometimes ± sericeous); petiole 1.5–3 cm. long, with a pair of glands near apex.. Inflorescence 5–12 cm. long, many-flowered; pedicels 5–18 mm. long, decussate, distinctly articulate; bracts linear-lanceolate, 2–3 mm. long; bracteoles very short, subulate.. Flowers 2.3–2.5 cm. in diameter.. Sepals oblong, 4–5 mm. long, sericeous outside.. Petals bright yellow, oblanceolate to oblong, 10–12 mm. long, rounded at apex, cordate or subsagittate at base, shortly clawed.. Anthers linear, 3–4 mm. long, orange; filaments glabrous, somewhat incurved.. Samara 1.5–2 cm. in diameter; lateral wing divided into 6 oblanceolate-linear usually denticulate lobes; dorsal crest with a spine 8–10 mm. long.. Fig. 3.

It is a tropical plant.