Drimia altissima (L. f.) Ker Gawl.

Tall perennial herb, up to 1 m tall, growing from a large bulb, often half above ground with tough, overlapping fleshy scales. Leaves tough, erect, up to 30 × 3 cm, absent at flowering time. Flowers in a dense terminal raceme, up to 60 cm long, white with a green midline on the outside of the tepals. Flowers opening in the morning, usually closing by midday.