Adam's Needle.
Large upright evergreen shrub. It is a stemless species producing dense clumps of sword-shaped deep green leaves. The leafy margins are clothed with curly white threads. Creamy-white flowers of 5cm (2in) long, born in erect stems of 0.6-1.2m (2-4ft) in mid to late-summer. Height and spread up to 2m (6ft).