Description

Annual herbaceous climber. Leaves pinnate to biternate; leaflets up to c. 4 × 2 cm, lowest pair ternate, bright green above, grey-green below, finely velvety; margin scalloped to lobed. Flowers white to creamy yellow, 4-6 mm long, in axillary branched many-flowered heads; peduncle c. 6 cm long, with paired coiled tendrils below the flowers. Fruit a membranous, inflated capsule, 2-3.5 cm long, 3-angled. Seed 5 mm in diameter, with a kidney-shaped, white reniform hilum.