Clump-forming herb with distichous leaves in very flat planes. Inflorescence stems lax and widespreading; joints pale and strongly swollen, bent. Perianth c.1cm long; lower half forming a ventricose tube, pale green; upper half with segments spreading, elliptic-obovate, pale mauve with basal purple ring; 3 or 5-veined, mucronate. Along a few metres.