Shrub to 3 m high, glaucous, almost glabrous.
Leaves to 35 cm long; leaflets 9–13, lanceolate, toothed, 4–12 cm long; stipules fused into a lanceolate structure above petiole base, 5–8 cm long.
Racemes usually 30–40 cm long; pedicels and bracts 10–20 mm long. Flowers red- or deep purple-brown. Sepals usually 10–25 mm long. Petals clawed, shorter than sepals.
Capsule 30–40 mm long, deeply 4-lobed, inflated, papery; seeds 2 per loculus.