Sepals ± 2·5 mm. long, ovate or obovate-oblong, sericeous outside; petals 8–12 mm. long, obovate to obovate-oblong, yellow, unguiculate, usually entire.
Younger stems densely ± appressed greyish-silvery-or yellowish-sericeous, older ones ± pubescent or nearly glabrous.
Umbels 2–6-flowered; bracts ± 2·5 mm. long, lanceolate; bracteoles 1·5–2 mm. long, oblong.
Stamens with anthers c. 1 mm. long, oblong, glabrous; filaments c. 4 mm. long, glabrous.
Samara with wing 1·5–2 × 1·1–1·5 cm., sericeous to nearly glabrous.
Ovary densely sericeous; styles c. 5 mm. long.
A herbaceous or woody climber or scrambler.
Flowers 2–2·5 cm. in diam.
A shrub.