Leaves up to 50 cm long, pungent; base 15-25 mm wide with narrow scarious margins, sometimes lacerated. Flowers scented like rotten meat. Sepals and petals 7-8 cm long, slightly widened above base for c. 2.5 cm, obtuse, smooth inside, striate outside, green at base, purplish-brown at apex. Stamens almost as long as perianth; anthers c. 25 mm long. Capsule indurated, c. 15 mm long, smooth; dehiscence septifragal, the valves also splitting into 2 halves, each half with the inner wall forming a plate held under tension and springing upwards to eject the seed.