Bulbs up to 15 cm. in diameter, often with a considerable neck, often propagating vegetatively to form clusters.. Leaves erect, lanceolate, up to 60 (–75) cm. long, 2.5–5(–9) cm. broad, keeled with a distinct midrib, glabrous to slightly scabrous on the margin, normally evergreen with intact acute apices, in most cases white woolly fibres (vascular sclerenchyma) appearing when a leaf is torn.. Scape 25–65 cm. long, contemporary with the leaves.. Spathe-valves greenish, tinged with red, persistent and erect.. Flowers (1–)3–6 (–9), sessile.. Perianth-tube greenish to reddish, curved, 8–13 cm. long; segments green in bud, but during anthesis pure white with a broad sharply bordered mauve to purple dorsal streak, broadly lanceolate, acuminate, 8–11 cm. long, 2–3 cm. broad, outer and inner ones subequal in width, all connivent to a zygomorphic bell.. Filaments white or tinged with red, declinate; anthers grey to black (or brown), curved, ± 0.7 cm. long.. Style white or greenish white, often tinged red distally.. Fruits greenish tinged with red, subglobose, without or with a short beak up to 0.5 cm. long.. Seeds light green, closely stacked and irregularly compressed, 15–45 per fruit.
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Umbel 6-25-flowered; flowers fragrant; perigone white with wide pink bands.